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Question of the Week, from the Naked Scientists Cover
Question of the Week, from the Naked Scientists Profile

Question of the Week, from the Naked Scientists

English, Sciences, 1 season, 574 episodes, 1 day, 14 hours, 17 minutes
About
Each week we set out to solve one of the world's weirdest, wackiest, funniest and funkiest scientific puzzles. And along with the answer there's a brand new question to think about for next time...
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Can we extract DNA from fossils?

Join James Tytko in the hunt for ancient DNA thanks to this question from listener Phil. Jack Lovegrove from the Natural History Museum was on hand to help with the answer... Like this podcast? Please help us by supporting the Naked Scientists
7/19/20245 minutes, 5 seconds
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What makes up the space when subatomic particles move?

Phil sent in this quantum conundrum which Will Tingle took on with the help of Ben Allanach, Professor of Theoretical Physics at the University of Cambridge... Like this podcast? Please help us by supporting the Naked Scientists
7/12/20243 minutes, 36 seconds
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Do plants get cancer from UV light?

Thanks to Garth Jenkins from the University of Glasgow for the answer! Like this podcast? Please help us by supporting the Naked Scientists
7/5/20243 minutes, 53 seconds
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Are there stars outside of galaxies?

Brian has been in touch to ask whether stars can be independent of galaxies. James Tytko asked the University of Cambridge's public astronomer Matt Bothwell to help find the answer... Like this podcast? Please help us by supporting the Naked Scientists
6/28/20244 minutes, 47 seconds
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Why are wind turbine blades shaped the way they are?

For today's question, James Tytko takes on Janey's query on the shape of modern wind turbine blades and draws a comparison with old fashioned windmills: why such different designs? Professor of Renewable Energy Simon Hogg from Durham University provides the answer... Like this podcast? Please help us by supporting the Naked Scientists
6/21/20245 minutes, 15 seconds
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Is maths the easiest school subject to remember?

While helping his son with his maths revision, Andrew was struck by the ease with which he slipped back into the groove of the subject. He wants to know why that might be. James Tytko sought to find out with help from Catherine Loveday, neuropsychologist at the University of Westminster... Like this podcast? Please help us by supporting the Naked Scientists
6/14/20244 minutes, 53 seconds
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Why do we need to keep replacing our cells?

James Tytko answers listener John's question with the help of Professor of Cardiovascular Health, Nadia Rosenthal... Like this podcast? Please help us by supporting the Naked Scientists
6/7/20244 minutes, 18 seconds
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What kills an unused car battery?

Thanks to Rhod Jervis for the answer! Like this podcast? Please help us by supporting the Naked Scientists
5/31/20243 minutes, 22 seconds
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What is responsible for a coffee's foam?

Thanks to Steven Abbott for the answer! Like this podcast? Please help us by supporting the Naked Scientists
5/24/20243 minutes, 31 seconds
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Are the laws of physics consistent around the universe?

James Tytko asked Toby Wiseman, professor of theoretical physics at Imperial College London, to answer this question from listener Daniel... Like this podcast? Please help us by supporting the Naked Scientists
5/17/20245 minutes, 26 seconds
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Why does some plastic lose its flexibility over time?

Jimmie sends in this week's question, seeking an answer as to why plastic loses its flexibility. James Tytko took on the question with the help of Chemistry World's Phillip Broadwith... Like this podcast? Please help us by supporting the Naked Scientists
5/10/20245 minutes, 55 seconds
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Could we make ourselves disgusting to mosquitoes?

Thanks to Professor Heather Graham for the answer!This episode of Question of the Week, listener Donald asks:"Assuming mosquitoes have taste buds, then they should have adverse tastes. Have molecular scientists explored how to make or find chemicals that make mosquitoes disgusted?"Will - As someone who's about to head off to a particularly mosquito-heavy part of the world, I too would find great reassurance in knowing that I was using the most effective means of preventing a mozzie bite. Paul on the forum is thinking long term and says 'there is hope that current experimental malaria vaccines... Like this podcast? Please help us by supporting the Naked Scientists
5/3/20244 minutes, 10 seconds
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Can a "random" action ever be exactly replicated?

This week's Question of the Week comes in from listener David, who asks:'On the show 'Tipping Point', Often at the end they play out the final three counters as 'What would have happened.' Would the result actually be what would have happened?Thanks to Tony Padilla for the answer! Like this podcast? Please help us by supporting the Naked Scientists
4/26/20244 minutes, 32 seconds
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What language do the profoundly deaf think in?

Thanks to Bencie Woll and Victoria Mousley for the answer! Like this podcast? Please help us by supporting the Naked Scientists
4/19/20243 minutes, 59 seconds
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How far can electrons get away from their atom?

Thanks to University of Cambridge's Ben Allanach for the answer! Like this podcast? Please help us by supporting the Naked Scientists
4/12/20243 minutes, 50 seconds
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Will eating sugary foods last avert glucose spikes?

Steve has written in to us to ask whether the order in which one eats their food makes a difference to whether or not they experience glucose spikes. We thought this was an interesting question for Cambridge Professor Giles Yeo to sink his teeth into... Like this podcast? Please help us by supporting the Naked Scientists
4/5/20244 minutes, 25 seconds
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Why do babies have such a strong grip?

Thanks to Andrew Bremner for the answer! Like this podcast? Please help us by supporting the Naked Scientists
4/2/20244 minutes, 7 seconds
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How did the ancient Romans multiply their numerals together?

Thanks to Ems Lord for the answer! Like this podcast? Please help us by supporting the Naked Scientists
3/22/20243 minutes, 57 seconds
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Why do radiators have two sides?

Thanks to Dr John Bissell for the answer! Like this podcast? Please help us by supporting the Naked Scientists
3/15/20242 minutes, 50 seconds
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Do you ever run out of sperm?

Thanks to Rod Mitchell for the answer! Like this podcast? Please help us by supporting the Naked Scientists
3/8/20242 minutes, 10 seconds
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Could I undergo a full body transplant?

Will Tingle takes on this head scratcher from listener David with the help of Professor Adam Taylor of the University of Lancaster... Like this podcast? Please help us by supporting the Naked Scientists
3/1/20244 minutes, 36 seconds
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Do volcanoes or farts contribute to climate change?

Thanks to UCL's Mark Maslin for the answer! Like this podcast? Please help us by supporting the Naked Scientists
2/23/20244 minutes, 52 seconds
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Would wearing mirrors keep me cool?

For this Question of the Week, Lotus wants to know whether wearing mirrors could help us keep cool in the sun. James Tytko took on the challenge of answering... Like this podcast? Please help us by supporting the Naked Scientists
2/16/20243 minutes, 9 seconds
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How has sex education evolved?

Thanks to Michael Reiss for the answer! Like this podcast? Please help us by supporting the Naked Scientists
2/9/20243 minutes, 3 seconds
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How languages evolve

Will Tingle took on this linguistic query from listener Satya with the help of David Crystal... Like this podcast? Please help us by supporting the Naked Scientists
2/2/20243 minutes, 29 seconds
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Why might stollen go floppy in the toaster?

Taking on this week's question, James Tytko kneaded help from baking expert Nicola Lamb... Like this podcast? Please help us by supporting the Naked Scientists
1/26/20243 minutes, 37 seconds
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Why might cataract surgery affect biometric logins?

Thanks to ARU's Nikita Thomas for the answer! Like this podcast? Please help us by supporting the Naked Scientists
1/19/20243 minutes, 37 seconds
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Who cooked the food in the Palaeolithic?

Thanks to Dr Emma Pomeroy for the answer! Like this podcast? Please help us by supporting the Naked Scientists
1/12/20243 minutes, 4 seconds
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Could we turn space junk into a moonbase?

Thanks to Dr David Whitehouse for the answer! Like this podcast? Please help us by supporting the Naked Scientists
1/5/20243 minutes, 12 seconds
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What if Santa didn't have magical reindeer?

James Tytko took on this festive themed Question of the Week with the help of the University of Cambridge's Ems Lord... Like this podcast? Please help us by supporting the Naked Scientists
12/22/20232 minutes, 35 seconds
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Could you destroy Jupiter with enough nukes?

Thanks to Matt Bothwell for the answer! Like this podcast? Please help us by supporting the Naked Scientists
12/15/20233 minutes, 36 seconds
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What is a black hole made up of?

Thanks to Cambridge University's Ben Allanach for the answer! Like this podcast? Please help us by supporting the Naked Scientists
12/8/20233 minutes, 49 seconds
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Why does my nose run in cold weather?

Charlene wrote in to ask, 'Why does my nose run in cold weather? What are the physiological benefits of this?' To answer it, Rhys James enlisted the help of consultant ear, nose and throat surgeon, Neil De Zoysa. Like this podcast? Please help us by supporting the Naked Scientists
12/1/20232 minutes, 14 seconds
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How healthy are seeds?

James Tytko took on this question from listener Fraser with the help of nutritionist Sarah Berry... Like this podcast? Please help us by supporting the Naked Scientists
11/24/20233 minutes, 55 seconds
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Why isn't it possible to go faster than light?

Thanks to Tony Padilla for the answer! Like this podcast? Please help us by supporting the Naked Scientists
11/17/20233 minutes, 55 seconds
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What's the magnifying strength of my marble?

James Tytko took on this question with the help of the University of Glasgow's Richard Bowman... Like this podcast? Please help us by supporting the Naked Scientists
11/10/20234 minutes, 21 seconds
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Could you deflect a laser around the Moon?

Thanks to Professor Michalis Zervas and Professor Simon Hooker for the answers! Like this podcast? Please help us by supporting the Naked Scientists
11/3/20234 minutes, 35 seconds
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Why are there salty and fresh bodies of water?

James Tytko took this question on... Like this podcast? Please help us by supporting the Naked Scientists
10/27/20234 minutes, 4 seconds
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Am I manufacturing a mosquito master race?

Joanne sent in this question, which James Tytko posed to Laurence Hurst from the University of Bath... Like this podcast? Please help us by supporting the Naked Scientists
10/20/20233 minutes, 23 seconds
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How did people in the past find water?

Thanks to Dr Ellen Arnold for her help with this question! Like this podcast? Please help us by supporting the Naked Scientists
10/13/20232 minutes, 56 seconds
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Why don't new species suffer inbreeding problems?

This week's question involves the evolutionary process of speciation. James Tytko asked the University of Sheffield's Roger Butlin... Like this podcast? Please help us by supporting the Naked Scientists
10/6/20234 minutes, 59 seconds
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Why are car wing mirrors so attractive to spiders?

Thanks to Geoff Oxford for the answer! Like this podcast? Please help us by supporting the Naked Scientists
9/29/20234 minutes, 32 seconds
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Will tattoos protect skin from sun damage?

Thanks to Cecilio for sending in this question. James Tytko asked University of Leeds Professor of Dermatology, Julia Newton Bishop, for assistance... Like this podcast? Please help us by supporting the Naked Scientists
9/22/20234 minutes, 2 seconds
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Can you freeze hot water faster than cold water?

Will Tingle took on this chilling conundrum, with the help of Imperial College London's Henry Burridge Like this podcast? Please help us by supporting the Naked Scientists
9/15/20234 minutes, 45 seconds
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What are the odds of this lyrical coincidence?

James Tytko spoke with David Spiegelhalter to help solve listener John's musical mystery... Like this podcast? Please help us by supporting the Naked Scientists
9/8/20234 minutes, 53 seconds
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Could you time travel to before the Big Bang?

James Tytko took this cosmic conundrum on with the help of Toby Wiseman, theoretical physicist from Imperial College London... Like this podcast? Please help us by supporting the Naked Scientists
9/1/20235 minutes, 29 seconds
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Can animals catch Covid?

Chris Smith took on this week's question from listener Kala... Like this podcast? Please help us by supporting the Naked Scientists
8/25/20234 minutes, 24 seconds
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Why does sugar dissolve faster in hot liquid?

Taking on this question from listener Christie, James Tytko enlisted the assistance of Chemistry World's Philip Broadwith... Like this podcast? Please help us by supporting the Naked Scientists
8/18/20236 minutes, 46 seconds
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Why does my right brain control my left side?

Thanks to Marc de Lussanet for the help with the answer! Like this podcast? Please help us by supporting the Naked Scientists
8/11/20234 minutes, 33 seconds
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Are rockets contributing to climate change?

James Tytko enlisted the help of the University of Cambridge's Xander Byrne to help with this question from Frank, who asks: "Have there been any studies on the effects of rocket launches on the greenhouse effect respiratory issues or general carcinogenic properties?" Like this podcast? Please help us by supporting the Naked Scientists
7/28/20234 minutes, 23 seconds
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Do all whales come from the same ancestor?

Thanks to Dr Ellen Coombs for the answer. Like this podcast? Please help us by supporting the Naked Scientists
7/21/20233 minutes, 36 seconds
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Do tennis players have favourite balls?

Regular listener, Mike, asked: "When tennis players are about to serve, they get a selection of balls. They seem to look at them and then select two to serve with. Now these are all new and good quality balls, how do they select the ones they like to use? Do they recognise them? Do they have favourites?" Very topical, Mike. Rhys James travelled to meet the tennis coach, James Hoad  in Bury St Edmunds: Like this podcast? Please help us by supporting the Naked Scientists Like this podcast? Please help us by supporting the Naked Scientists
7/14/20233 minutes, 34 seconds
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How do we track lightning strikes?

Like this podcast? Please help us by supporting the Naked Scientists Like this podcast? Please help us by supporting the Naked Scientists
6/30/20234 minutes, 50 seconds
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What decides where nipples are on mammals?

Why is it that some mammals with small broods have the baby feeding apparatus near the upper limbs like humans and elephants and some near the lower limbs like cows and horses? As it turns out, this is a very good question. What dictates where the teats are on a mammal? The short answer is, well, no one is really sure, but that's not going to stop us from a bit of deductive reasoning and speculation. And one man who is up to the task is Queen Mary University of London's Chris Faulkes.Chris - We've got teats in the thoracic or chest region like humans, the sort of intermediate area or abdominal... Like this podcast? Please help us by supporting the Naked Scientists
6/23/20233 minutes, 32 seconds
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Could a time traveller start a pandemic?

Could someone travelling into the future potentially take a pandemic disease with them, or bring back something similar upon their return? James Tytko enlists the help of Cambridge University immunologist Brian Ferguson... Like this podcast? Please help us by supporting the Naked Scientists
6/20/20233 minutes, 36 seconds
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Can gas be compressed into a solid?

Akula writes in to ask, 'Can we compress gas into a solid?' James Tytko seeks to provide the answer... Like this podcast? Please help us by supporting the Naked Scientists
6/9/20233 minutes, 25 seconds
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How do we reduce emissions from fertilisers?

This week, are biofertilisers an answer to solving the use of chemical fertilisers? Are they more advantageous in any way? Like this podcast? Please help us by supporting the Naked Scientists
5/27/20235 minutes, 16 seconds
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How quickly does evolution work?

What is the speed of evolution and, apart from reproduction, what are the factors that affect this? Like this podcast? Please help us by supporting the Naked Scientists
5/5/20233 minutes, 30 seconds
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Why do we think clearer after taking a break?

Listener Jo asked: "Why is it so I can sit with a sudoku until I have no idea what to do next, so I leave it. When I go back to it later I always find new possibilities straight away." James Tytko spoke to Alejandro Lleras Like this podcast? Please help us by supporting the Naked Scientists
4/28/20233 minutes, 33 seconds
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Why are black holes at the centre galaxies?

Listener David wrote this cosmic conumdrum into the Naked Scientists "How are black holes formed? And why are they often at the center of galaxies?" Otis Kingsman spoke to astrophysicist and author of the book "A Brief History of Black Holes", Dr Becky Smethurst... Like this podcast? Please help us by supporting the Naked Scientists
9/12/20226 minutes, 15 seconds
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Should I drink cola after swimming in river?

Listener Ed wrote to the Naked Scientists with this particular question. "Why is it recommended to drink cola after swimming in a river? And does it really reduce the risk of getting an upset stomach?" Otis Kingsman splashes around in the science of this river rumour with Dr John Tregoning from Imperial College London... Like this podcast? Please help us by supporting the Naked Scientists
8/22/20224 minutes, 20 seconds
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How can drugs change our salt concentration?

Listener Kandi wrote into the Naked Scientists to explain the science behind this major medication method. "I have Hyponatremia as a result of a medication. How does a drug stop your body from using/absorbing the salt you consume?" Otis Kingsman spoke to Gerogetown University's professor of medicine, Joseph G Verbalis to find the answer... Like this podcast? Please help us by supporting the Naked Scientists
8/15/20225 minutes, 40 seconds
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Can cat and dog poop be used as fertiliser?

Listener Lara wrote into the Naked Scientists to ask "Is there a biological benefit for cats and dogs to bury their faeces? Can it help plants grow similar to horse manure?" Otis Kingsman spoke to the primary medical care director of the veterinary medicine company Linnaeus, Dr Simon Hayes, about this question on the fascinating function of faeces... Like this podcast? Please help us by supporting the Naked Scientists
7/25/20225 minutes, 19 seconds
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How dangerous is an explosion on the moon?

Listener Neil wrote in looking for find the answer to this brain blaster. "Would an explosion on the moon be more powerful than on the surface of the earth?" Otis Kingsman spoke to University of Cambridge's public astronomer Matt Bothwell to make sense of this outer-space occurrence... Like this podcast? Please help us by supporting the Naked Scientists
7/11/20224 minutes, 20 seconds
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Why are fridges difficult to quickly reopen?

Listener Josie asked us "Why can't I immediately open my fridge door after closing it? It feels like air pressure is keeping it closed. Is this the case?" James Tytko spoke to Cambridge University's Engineering Professor Vikram Deshpande about this fascinating fridge function... Like this podcast? Please help us by supporting the Naked Scientists
7/4/20223 minutes, 58 seconds
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Can cargo X-ray scanners damage electronics?

Listener Alaster wrote in to ask "The electricals in my car stopped working after it was transported from Cape Town to the UK. I think there was a fault in the scanner in Cape Town. My question is, how does a car scanner work? Can it damage the electrical components within cars?" Julia Ravey presented this troublesome transport problem to Roger Worrall from the security company Westminster Group PLC... Like this podcast? Please help us by supporting the Naked Scientists
6/27/20224 minutes, 3 seconds
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How does email and texting affect our brain?

Listener Mike presented this question to The Naked Scientists. "Does email and texting affect our brain's cognitive functions?" Otis Kingsman spoke to Dr Ravi Gajendran from Florida International University to help find the answer to this communication conundrum... Like this podcast? Please help us by supporting the Naked Scientists
6/6/20224 minutes, 51 seconds
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Why can't some people smell certain plants?

Tim wanted to know "Why can't my partner smell certain strong odours when in the countryside? She can smell manure but is immune to smelling certain potent flowers and herbs." Otis Kingsman spoke to Professor Sandeep Roberta Datta from Harvard Medical School to find the aromatic answers to this question... Like this podcast? Please help us by supporting the Naked Scientists
5/30/20223 minutes, 55 seconds
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Can acid remove a spring's potential energy?

Listener Mark wrote in to ask 'What happens to the potential energy of a compressed coil spring that is dissolved in acid?'. Otis Kingsman sprung to action in speaking with Dr Martin Buzza from the University of Hull to find the answer to this question. Like this podcast? Please help us by supporting the Naked Scientists
5/23/20224 minutes, 19 seconds
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Can the Earth's rotation make electricity?

Linda wrote in to ask "Can the spinning of the earth generate electricity similar to the spinning of wind turbines?" Otis Kingsman spoke to Matthew Rooney from the Insitute of Mechanical Engineers to find the answer to this head-spinner... Like this podcast? Please help us by supporting the Naked Scientists
5/16/20224 minutes, 6 seconds
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Does a phone weigh more after charging it?

Listener Tibor wanted to know the answer to the question, "Does potential energy have any mass? If I was to charge a phone battery, would it become heavier?" Dr Israel Temprano from the Univserity of Cambridge explains to Otis Kingsman about this battery baffler... Like this podcast? Please help us by supporting the Naked Scientists
4/25/20225 minutes, 15 seconds
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Why do electric car batteries wear out?

Listener Barry wants to know, 'What causes degredation in electric car batteries, and what are the upcoming developments in EV technology?' Chloe Coates from the University of Cambridge spoke to Evelyna Wang... Like this podcast? Please help us by supporting the Naked Scientists
4/11/20223 minutes, 40 seconds
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How can we identify a diseased gene?

Malcolm wrote in to ask "How can we identify a disease? When looking at a sample of chromosomes, what are scientists looking for to spot a diseased gene?". Otis Kingsman spoke to Jocelynn Pearl from the Lady Scientist Podcast to solve this mutation mystery... Like this podcast? Please help us by supporting the Naked Scientists
3/28/20225 minutes, 26 seconds
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Does relativity affect the age of moon rocks?

Ranjit wrote in to ask this, "As gravity and time have an inverse relationship, at some time in the future, will astronauts bring back moon rocks that are older than the Earth?" James Tytko spoke to King College London's, Professor Ruth Gregory to help us find the answer to this lunar mystery... Like this podcast? Please help us by supporting the Naked Scientists
3/21/20224 minutes, 10 seconds
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Why does an itch move when you scratch it?

Mariam has been itching to find an answer to the question of "When I scratch an itch, the itch seems to move around my body. And I want to know why this is." Dr Yvonne Couch from the Radcliffe Department of Medicine spoke to Otis Kingsman... Like this podcast? Please help us by supporting the Naked Scientists
3/14/20224 minutes, 31 seconds
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Can internal voices be influenced by accents?

Fiona wrote in to ask "Why do I hear voices in my head when I'm thinking? And can this voice be influenced by accents?" In order to find answers, James Tytko reached out to Helene Loevenbruck from Grenoble Alpes University to rattle our brains... Like this podcast? Please help us by supporting the Naked Scientists
3/8/20224 minutes, 26 seconds
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Does the moon affect student behaviour?

Listener Sal wanted to know the answer to the question 'Is the behaviour of school students affected by moon phases?' Otis Kingsman found 'Teresa Pavia', neurologist and the clinical director of the Sleep Medicine Centre in Lisbon, to give us a lesson on if and how the moon can impact our behaviour... Like this podcast? Please help us by supporting the Naked Scientists
2/21/20224 minutes, 34 seconds
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How do we clean the Hubble Telescope mirror?

Daniel wrote into The Naked Scientists with the question of 'How do they stop the mirror on the Hubble telescope from getting dirty?' Otis Kingsman spoke to Sarah Kendrew from the European Space Agency to clear up the answers to this question. Like this podcast? Please help us by supporting the Naked Scientists
1/31/20223 minutes, 54 seconds
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How do we clean the Hubble Telescope mirror?

Daniel wrote into The Naked Scientists with the question of 'How do they stop the mirror on the Hubble telescope from getting dirty?' Otis Kingsman spoke to Sarah Kendrew from the European Space Agency to clear up the answers to this question. Like this podcast? Please help us by supporting the Naked Scientists
1/31/20223 minutes, 54 seconds
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Why Do Stars Twinkle?

Richard contacted us this week to ask, 'Why do stars twinkle? And what can their colours tell us about them?' To find out, James Tytko spoke with Dr Jenifer Millard from the Awesome Astronomy Podcast, who was on hand to provide answers for this cosmic conundrum... Like this podcast? Please help us by supporting the Naked Scientists
1/24/20223 minutes, 31 seconds
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Why can't I sleep when my feet are cold?

Otis Kingsman found the answer to this chilling question thanks to the help of Professor of Neurology & Sleep Medicine, St Thomas' Hospital's Professor Guy Leschziner... Like this podcast? Please help us by supporting the Naked Scientists
1/19/20223 minutes, 36 seconds
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Why do ant bites hurt so much?

Sally Le Page answered this head-scratching question with the help of insect venom expert, Sam Robinson, from the University of Queensland... Like this podcast? Please help us by supporting the Naked Scientists
12/14/20213 minutes, 50 seconds
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How do we prevent space collisions?

This week, Matt contacted us asking "With three space missions currently converging on Mars how do the nations avoid orbital collisions? Do they share data, do they have transponders or space traffic control etc?". Katie King spoke with Chris Bridges, academic at Surrey Space Centre in the University of Surrey to find out how we keep our spacecraft from colliding.... Like this podcast? Please help us by supporting the Naked Scientists
11/22/20213 minutes, 34 seconds
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Is dark matter in lumps or like sand grains?

This week, listener Rob emailed us to ask "Is dark matter in large lumps or like grains of sand?" Iacopo Russo got some help from the Little Prince story, as well as from Physics professor Francesca Day at Durham University and physicist Jacques Pienaar from the University of Chicago, to find the answer... Like this podcast? Please help us by supporting the Naked Scientists
11/10/20213 minutes, 58 seconds
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Do shop or garden tomatoes produce more CO2?

To answer this juicy question, Julia Ravey asked environmental scientist at the University of York Samarthia Thankappan... Like this podcast? Please help us by supporting the Naked Scientists
11/8/20215 minutes, 2 seconds
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How is eye colour passed down?

Teacher Ellie was recently asked a question by her Year 9 pupil in Manchester that she couldn't answer: "I have one blue eye and one brown eye, when I have kids, will they have one blue eye and one brown eye like me?" Eva Higginbotham put the question to eye colour expert David Mackey from The University of Western Australia... Like this podcast? Please help us by supporting the Naked Scientists
10/18/20213 minutes, 52 seconds
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Would a body left in space decompose?

Daniel has been dreaming of the stars, but his dreams have been rather eerie. Now, he's on a one way journey to gain some scientific insight. He got in touch to ask 'If a crew on a mission to mars had a death on board, and if that body was released into space, would it ever decay?' Matthew Bothwell, public astronomer at the University of Cambridge, spills the beans on what would happen to human remains if they were ejected out into infinity and beyond... Like this podcast? Please help us by supporting the Naked Scientists
10/12/20214 minutes, 45 seconds
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Why do we keep catching the same diseases?

This week, listener Rick emailed us to ask "Why do we acquire lifelong immunity against some pathogens but not others?" Sally Le Page asked author and infectious disease researcher at Imperial College, London, John Tregoning, to jog our memories... Like this podcast? Please help us by supporting the Naked Scientists
10/5/20213 minutes, 20 seconds
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Do frogs get itchy?

Margaret got in touch to ask The Naked Scientists: "Science has now identified actual nerve endings that humans and other mammals have that send that itchy feeling to the brain. Do snakes and other amphibians have these same nerve types? Have frogs been seen scratching an itch?"Harry Lewis dived deep to find an answer and Gerhard Schlosser from the National University of Ireland Galway was on hand to tell him more... Like this podcast? Please help us by supporting the Naked Scientists
9/20/20214 minutes, 10 seconds
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What happens to light's lost energy?

Listener Mark was curious to know: "Since the Universe is expanding, and light coming across it stretches as it does so, becoming more red, what happens to the lost energy when the shorter wavelength, higher energy light towards the blue end of the spectrum is shifted into lower energy, red wavelengths?" Cameron Voisey went off to figure it out... Like this podcast? Please help us by supporting the Naked Scientists
9/13/20214 minutes, 3 seconds
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How long before the food I eat becomes 'me'?

Listener Martin wanted to know: "How long does it take the food I eat to become part of me?" Eva Higginbotham set off to find out the answer... Like this podcast? Please help us by supporting the Naked Scientists
9/6/20213 minutes, 29 seconds
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What proportion of the brain stores memory?

Dave got in touch with The Naked Scientists to ask, "How much of the brain is memory?" This week Harrison Lewis only just remembered to get in touch with Amy Milton from the University of Cambridge. Thank goodness he did, as Amy has extensive experience wrapping her head around this brain teaser... Like this podcast? Please help us by supporting the Naked Scientists
8/16/20213 minutes, 22 seconds
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Why do ladybirds have varying spot numbers?

Listener Ruomei wrote in to ask "Why do ladybugs have different numbers of spots on their backs?"Eva Higginbotham spoke with ladybird enthusiast Helen Roy from the Uk Centre for Ecology and Hydrology... Like this podcast? Please help us by supporting the Naked Scientists
8/9/20212 minutes, 57 seconds
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Is lava wet?

Listener Henk wrote in to ask "Is lava wet?" Sally Le Page spoke with magmanimous geologist Brooke Johnson from the University of Oxford... Like this podcast? Please help us by supporting the Naked Scientists
8/2/20213 minutes, 7 seconds
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Why don't dogs get hairballs when cats do?

Beth wrote in to ask "My dog is always licking her fur but never gets a hairball. Why don't dogs get hairballs?" Sally Le Page spoke to three animal aficionados: Nick Sutton, Science Communications Advisor at The Kennel Club; Justine Shotton, Junior Vice President at the British Veterinary Association; and Ann Hohenhaus, Staff Doctor at NYC's Animal Medical Center for the answer... Like this podcast? Please help us by supporting the Naked Scientists
7/19/20213 minutes, 45 seconds
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If heat rises, why is it colder up mountains?

Wayne got in touch to ask: "We've always learned that heat rises but it's normally cooler in the mountains. Shouldn't their higher elevation make it warmer there?" Sally Le Page reached out to atmospheric physicist Simon Clark for the answer... Like this podcast? Please help us by supporting the Naked Scientists
7/12/20213 minutes, 17 seconds
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Could bagpipes help you recover after Covid?

Paul got in touch to ask "If one is recovering or has recovered from covid, would playing bagpipes help to expand the lungs and be beneficial or detrimental?". Adam Murphy reached out to John Dickinson from the University of Kent and Michael Steiner from the University of Leicester for the answer... Like this podcast? Please help us by supporting the Naked Scientists
7/5/20213 minutes, 43 seconds
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Why do crocodiles have such bumpy skin?

Johan aged 5 got in touch to ask: "Why are crocodiles' skin so bumpy and not smooth?" Sally Le Page reached out to James Hennessy from Ireland's National Reptile Zoo for the answer... Like this podcast? Please help us by supporting the Naked Scientists
6/23/20213 minutes, 18 seconds
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Will a can in the ocean float or be crushed?

This week, Phil Sansom has been thinking deeply - or rather, sinking deeply - about this question from listener Richard. "Will a can of soda dropped in the ocean sink until it implodes, or float once it reaches equilibrium?" Here's the answer, with help from the Cambridge Science Centre's Mia Foulkes... Like this podcast? Please help us by supporting the Naked Scientists
6/14/20213 minutes, 45 seconds
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Is every snowflake unique?

This week, Charlotte Birkmanis is chilling out, as she answers Alan's cool question: "I have heard it said many times that no two snowflakes are the same. Given the billions and billions of them that have fallen to Earth, this really does seem unlikely. Since nobody has looked at them all, would you agree with me that the only thing to be said with any certainty, is that no researcher has ever found two the same?" Like this podcast? Please help us by supporting the Naked Scientists
6/7/20213 minutes, 50 seconds
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Can overcooking junk food make it healthy

This week, we're turning up the heat, as Adam Murphy's been looking into Kelvin's question: "We are told not to overcook our vegetables because this kills the nutrients. Now if that's the case, why don't we just overcook the food we enjoy and not run the risk of putting on weight?" Like this podcast? Please help us by supporting the Naked Scientists
5/24/20213 minutes, 18 seconds
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Can dog wee dissolve rubber tyres?

This week, urine for a treat - Phil Sansom tackles this question from listener Trent. "Every time I walk my dog, it pees on the tyre of a particular trailer. It got me thinking: urine contains uric acid. Is that strong enough to eat through the rubber of the tyre? If so, how long would it take?" Like this podcast? Please help us by supporting the Naked Scientists
5/17/20213 minutes, 52 seconds
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Can flies survive the winter?

Jeffrey got in touch to ask: "We've had a cold and snowy winter, and I've had to shovel my driveway every few days. We had a fly in our house, and I was curious if it survived the cold somehow, or recently hatched?" Adam Murphy got in touch with Erica McAlister, fly specialist and Senior Curator from the Natural History Museum in London to fly in an answer... Like this podcast? Please help us by supporting the Naked Scientists
5/10/20213 minutes, 46 seconds
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How do ZIP files work?

Listener Ellie wanted to know: "how do ZIP files work on my computer?" Phil Sansom unzipped the question - with an answer from research data scientist Peter Foster... Like this podcast? Please help us by supporting the Naked Scientists
4/26/20213 minutes, 55 seconds
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Why are electrons never in between orbitals?

Quantum hats on for this week's 'exciting' question! Listener Mejnun says: "I have learned at school that when an electron excites it jumps to another orbital around the nucleus. If an electron jumps an orbital you would expect that at that moment it can be found between the two orbitals. My teacher told me that this is never the case. I can not wrap my head around it. Does the particle just disappear in one orbital and appear in the other? Is this instant, is the particle in the other orbital the same? Can you please help me to understand this?" Phil Sansom asked physicist Ankita Anirban to... Like this podcast? Please help us by supporting the Naked Scientists
4/19/20213 minutes, 39 seconds
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Why do chillies stay on your hands?

Nancy asked: "Why does chilli stay on your fingers for so long after cooking with them, even after you wash your hands multiple times it can still hurt if you touch your eyes?" So what's the answer to this burning question. Adam Murphy asked chemist Tim Woodman, from the University of Bath... Like this podcast? Please help us by supporting the Naked Scientists
4/12/20213 minutes, 32 seconds
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How did varying chromosome numbers evolve?

Listener Mattie asked "If humans have too many or too few chromosomes it can cause them to be infertile. So how did different creatures get different numbers of them? For example, humans have 46 chromosomes, but mice have 40." Eva Higginbotham asked genome evolution expert Hugues Roest Crollius... Like this podcast? Please help us by supporting the Naked Scientists
3/29/20213 minutes, 39 seconds
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Do animals get bored eating the same food?

Listener Douglas asked us: "do animals get bored eating the same thing all the time? Like sheep - do they get bored of one type of grass?" Katie Haylor bored deep into the question, with help from neuroscientist James Danckert... Like this podcast? Please help us by supporting the Naked Scientists
3/22/20213 minutes, 30 seconds
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Why aren't all batteries rechargeable?

Listener Michael got in touch to ask "Why can't batteries, such as AA or AAA size, be recharged? What's the difference between regular batteries and rechargeables, especially lithium ones? Is this a 'big battery' conspiracy to sell more batteries, or are there valid reasons?" Like this podcast? Please help us by supporting the Naked Scientists
3/17/20213 minutes, 54 seconds
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How can you make normal TV look 3D?

Pavel got in touch to ask "Take sunglasses and remove one lens. Watch a normal television film with one eye darkened by a sunglass lens, and the other free. The film will appear in 3D. Can someone explain to me, how does this work?" After dusting off her sunglasses, Eva Higginbotham put the question to 3D vision expert Andrew Glennerster from the University of Reading... Like this podcast? Please help us by supporting the Naked Scientists
3/1/20213 minutes, 38 seconds
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What are the impacts of an aristocrat's diet?

James got in touch to ask us: "What were the health impacts of the vastly different diets and lifestyles of aristocrats and peasants? Would wealthy Roman patricians be much smarter than plebeians based solely on improved nutrition?" Hungry for answers, Adam Murphy spoke to University of Cambridge archaeologist Sam Leggett, and the University of Bristol's Julie Dunne... Like this podcast? Please help us by supporting the Naked Scientists
2/22/20213 minutes, 30 seconds
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How would a foetus develop in zero gravity?

Listener David asked: "Would a foetus develop differently in zero gravity conditions?" Adam Murphy found an answer with the help of reproductive biologist Adam Watkins, from the University of Nottingham... Like this podcast? Please help us by supporting the Naked Scientists
2/15/20213 minutes, 38 seconds
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When will we run out of music?

"Assuming there are a finite number of musical notes - chords, notes, octaves - at what point, how many years, would we use all combinations of musical themes such that no more music could be created?" Creative computing expert Rebecca Fiebrink from UAL totted up the answer to listener David's musical musing for us... Like this podcast? Please help us by supporting the Naked Scientists
2/8/20214 minutes
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Why do some people shiver when they pee?

Listener Eleanora asked: "I want to know why my dad shivers when he pees." Phil Sansom managed to find the answer to this 'Question of the Wee'.... Like this podcast? Please help us by supporting the Naked Scientists
2/1/20213 minutes, 54 seconds
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If Earth were heavier, would rockets work?

"Is it true that if the mass of the Earth were greater, it would render our chemical rockets incapable of reaching orbit?" Listener Steven launched this question at us, and so Martin Khechara went to find the answer... Like this podcast? Please help us by supporting the Naked Scientists
1/25/20213 minutes, 35 seconds
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Can you get DNA from crematorium ashes?

Paul got in touch to ask: "I was wondering if it was possible to get DNA out of crematorium ashes. Could you get any information about the person such as weight or height, from their ashes?" Katie Haylor put the question to Charmaine Bale, from Anglia Ruskin University... Like this podcast? Please help us by supporting the Naked Scientists
1/18/20212 minutes, 45 seconds
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Is sourdough bread a healthy option?

Mervyn got in touch to ask "Is sourdough bread a healthy option?" Eva Higginbotham put the question to dietician Rebecca McManamon... Like this podcast? Please help us by supporting the Naked Scientists
12/21/20203 minutes, 31 seconds
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Why are sperm made below body temperature?

Jordan got in touch to ask ""Why do females produce eggs inside the body, at body temperature, but males have to produce sperm outside the body, at a lower temperature?" Eva Higginbotham put the question to reproduction expert William Colledge at the University of Cambridge... Like this podcast? Please help us by supporting the Naked Scientists
12/14/20203 minutes, 33 seconds
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Compost or landfill: which emits more CO2?

Listener Robert asks: "does household composting release fewer greenhouse gases compared to a landfill?" Phil Sansom dug him up an answer, with help from environmental engineer Sintana Vergara... Like this podcast? Please help us by supporting the Naked Scientists
12/9/20203 minutes, 57 seconds
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Could loud music deafen my dog?

Robyn got in touch to ask: "I often wonder when I listen to music in the car when my dog is with me: since they hear higher frequencies than humans, do they also perceive for example loud music louder than us?" To sniff out an answer, Adam Murphy spoke to Nancy Dreschel, a specialist in animal beaviour from Penn State University... Like this podcast? Please help us by supporting the Naked Scientists
11/23/20203 minutes, 15 seconds
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How many people could share my surname?

Beata asked "If three hundred years ago there was one person with a certain surname, how many people could have their surname today?" Eva Higginbotham got mathematician James Grime to crunch the numbers... Like this podcast? Please help us by supporting the Naked Scientists
11/16/20203 minutes, 48 seconds
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What time should I water my plants?

Kevin asks: "Does watering my veggie garden in the morning mean that water uptake will coincide with the intake of sunlight, and give my vegetables the best chance? Or is it just as good to water in the evening?" Phil Sansom dug out the answer by asking Anthony Bridgen from Cambridge University's Sainsbury Laboratory and Guy Barter from RHS... Like this podcast? Please help us by supporting the Naked Scientists
11/9/20203 minutes, 54 seconds
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How do bats roost upside down?

Satish asks: "how does a bat sleep the whole day hanging from a tree? Won't being upside down affect blood circulation?" Phil Sansom went to find the answer, with help from Western University's Brock Fenton... Like this podcast? Please help us by supporting the Naked Scientists
11/2/20203 minutes, 49 seconds
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Which water is better: hard or soft?

Hard... or soft? That's the watery wrangle on which listener Jo asked us to weigh in. She said: "my question is about drinking water. We drink gallons of the stuff in a lifetime, but which is better for us, hard or soft? My skin and hair prefer it soft, but what about teeth and bones? And which do our kidneys prefer?" Adam Murphy got the answer with the help of University of Cambridge chemist Ljiljana Fruk... Like this podcast? Please help us by supporting the Naked Scientists
10/20/20203 minutes, 40 seconds
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Do insects have a stress response?

Charlie sent in this question "Humans have adrenaline for our fight or flight situation, do bugs have this too?" Eva Higginbotham put the question to insect-lover and expert, Eleanor Drinkwater from the University of York... Like this podcast? Please help us by supporting the Naked Scientists
10/5/20203 minutes, 39 seconds
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Why does anxious sweat smell worse?

This week's question is a sweaty one! It comes to us from listener Margaret: "Why, why, why can I work in the yard and be covered in sweat for hours, and only stink a little; but reveal one personal thing to a group of friends, and immediately stink to high heaven?" Phil Sansom got the answer from the International Hyperhidrosis Society's Angela Ballard, and University of Cambridge physiologist Christof Schwiening... Like this podcast? Please help us by supporting the Naked Scientists
9/28/20203 minutes, 56 seconds
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How would you measure time when in space?

This week we've been against the clock to get the answer to this question from David "What measurement of time would you use in travelling through space as a day, week, month or a year would become meaningless, and how would this affect the body clock?" Eva Higginbotham spoke to space sleep expert Cassie Hilditch, and also former NASA astronaut Steve Swanson, to find out the answer... Like this podcast? Please help us by supporting the Naked Scientists
9/21/20203 minutes, 40 seconds
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Why do I need to pee more nearer the loo?

This week we're flushing out the answer to this question from Charlie: "Maybe this is just me, but it dawned on me that whenever I have to hold in a pee, the need to go increases exponentially when I know that relief is close. Why is this?" So to relieve Charlie of his question, I asked physiologist Bill Colledge from Cambridge University to expel the answer... Like this podcast? Please help us by supporting the Naked Scientists
9/7/20203 minutes, 48 seconds
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Why do particles gather in a bucket's centre?

Six-year-old listener Jonathan asks: "when you stir a bucket of water, I know the water is pushed to the outside; however, why do any particles end up the centre after the water has finished spinning? I have asked my Dad, but he doesn't know." Phil Sansom found someone who does know - and it's fluid dynamics expert Dan Nickstroem... Like this podcast? Please help us by supporting the Naked Scientists
8/24/20203 minutes, 40 seconds
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Do our brains process sound or light faster?

Lionel got in touch to ask us about a curious phenomenon he's noticed since installing a new sensor, raising the question whether our brains process light or sound faster. Eva Higginbotham spoke with Brian Moore of the University of Cambridge who helped us unpick the answer... Like this podcast? Please help us by supporting the Naked Scientists
8/17/20203 minutes, 50 seconds
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Does burying paper sequester carbon?

Johnny asked us if burying paper counts towards carbon sequestration. To dig up an answer, Adam Murphy spoke to Shaun Fitzgerald, Royal Academy of Engineering Visiting Professor at the University of Cambridge, about how useful that really is... Like this podcast? Please help us by supporting the Naked Scientists
8/10/20203 minutes, 1 second
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Should you wash, rinse, and repeat?

Julie got in touch to ask whether there was any reason to wash, rinse and repeat, or if it was just marketing hype. Phil Sansom spoke to two hair specialists, Sally-Ann Tarver and Eva Proudman, about this hairy issue... Like this podcast? Please help us by supporting the Naked Scientists
7/20/20203 minutes, 37 seconds
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Why do hospitals need so much PPE?

Carol got in touch to ask "The government has provided more than a billion items of PPE to hospitals. There have been 130,000 COVID cases in hospitals, about 10,000 items of PPE per patient. Can you find out why so much?" Eva Higginbotham put the question to medic Isabelle Cochrane... Like this podcast? Please help us by supporting the Naked Scientists
7/13/20203 minutes, 42 seconds
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Why does coffee dissolve so fast?

Neerav wanted to know why some things dissolve faster than others, so we spoke to University of Cambridge chemist Ljiljana Fruk to find out... Like this podcast? Please help us by supporting the Naked Scientists
7/6/20203 minutes, 41 seconds
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How alike are the kids of identical twins?

Sam got in touch to ask: "If identical twin brothers marry identical twin sisters, and each of those couples has a child, will those two children be like twins?" Eva Higginbotham put the question to Tessa Bertozzi - a geneticist at the University of Cambridge. Like this podcast? Please help us by supporting the Naked Scientists
6/29/20203 minutes, 53 seconds
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Why aren't planes dimpled like golf balls?

Darren got in touch to ask us: "Golf balls are dimpled to disrupt the air around the ball. As far as I can gather, this reduces their drag and allows them to fly further than they would if they were perfectly round. Why do we not see dimpled cars, aircraft, and trains? If this effect is so effective for golf balls, why not use it on Formula 1 cars, for instance?"Adam Murphy went looking for a hole-in-one to this question, and spoke to Sam Grimshaw from the Whittle Lab at the University of Cambridge... Like this podcast? Please help us by supporting the Naked Scientists
6/15/20203 minutes, 33 seconds
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Could saponins help fight coronavirus?

We've been hunting down the answer to this questions from Denise: "There are plants that contain saponins and were used by Australian aboriginal people as bush medicine. Is there any research on the antiviral properties of saponins in, for example, Australian Acacia species, or other plants?" Eva Higginbotham spoke with Maher Mohamed Abed El Aziz from the University of Tripoli in Libya, and Anthony Davenport from the University of Cambridge, to find the answer. Like this podcast? Please help us by supporting the Naked Scientists
6/8/20203 minutes, 47 seconds
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Has life changed on the ISS due to COVID-19?

We're blasting off to the International Space Station to answer this question from listener Fady: "has life changed for astronauts on the ISS due to coronavirus, and are astronauts still allowed to be sent to and from the ISS?" Phil Sansom roped in flight surgeon Filippo Castrucci from the European Space Agency... Like this podcast? Please help us by supporting the Naked Scientists
6/1/20203 minutes, 38 seconds
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How do electrons flow in electric current?

Rakesh got in touch with this question: "Typically when electrons flow for the electric current, do they come out from the atoms and flow as electric current? Is it not true that when electrons come out from atoms light and energy is released? So why don't electric wires change their colours?" Eva Higginbotham got in touch with Dr Ankita Anirban to find out the answer... Like this podcast? Please help us by supporting the Naked Scientists
5/26/20203 minutes, 33 seconds
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Do we all have the same skin sensitivity?

Matt got in touch with this question: "Do all humans have the same number of nerve endings in their skin, and if so, do those of us who are bigger, either taller or fatter, have reduced sensitivity in a given area of skin?" Eva Higginbotham spoke with Professor Francis McGlone from Liverpool John Moores University to feel out the answer... Like this podcast? Please help us by supporting the Naked Scientists
5/19/20203 minutes, 29 seconds
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How do C-section babies get their microbiome?

Pavel asked us "On one of the Naked Scientists programmes it was mentioned that a newborn baby has initially sterile intestines and gets most of its microbiome during the passage through the uterus and vagina. What happens to children that are brought into this world via caesarean?" We reached out to Peter Brocklehurst from the University of Birmingham to find out... Like this podcast? Please help us by supporting the Naked Scientists
4/20/20203 minutes, 37 seconds
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Can frogs survive in a sealed terrarium?

Listener Jon sent us this question: "I just purchased some dart frogs which need to live in high humidity conditions. In order to attain this we basically sealed off the terrariums. The question is whether a really sealed terrarium could provide enough oxygen for the frogs through plant photosynthesis alone. Who would win: the frogs or the plants?" Phil Sansom got the answer to this 'pet peeve' from plant scientist Stephanie Smith... Like this podcast? Please help us by supporting the Naked Scientists
4/6/20203 minutes, 52 seconds
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How much power can we get out of fusion?

Fusion could be the most sustainable source of energy in the future. But how much can we get out of it? Like this podcast? Please help us by supporting the Naked Scientists
3/16/20203 minutes, 47 seconds
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Are big dogs smarter than small dogs?

Dogs come in all sizes, from tiny Chihuahuas to giant Great Danes. Their head size is hugely different, as must be their brain size. Does this mean that a Great Dane is massively more intelligent than a Chihuahua? Like this podcast? Please help us by supporting the Naked Scientists
3/2/20203 minutes, 39 seconds
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Should I be microwaving my kitchen sponges?

Is a kitchen sponge full of bacteria, and will a microwave kill them? We tested this at home and asked an expert! Like this podcast? Please help us by supporting the Naked Scientists
2/24/20203 minutes, 55 seconds
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Can a weak immune system worsen sunburn?

Listener Robin asks: "I heard on the podcast, that the reason why we get a sunburn, is that the body is trying to fix cells that are damaged by UV radiation. So if one person is sunburned longer than another, does that mean their immune system is worse?" To find an answer to this burning question, Adam Murphy spoke to dermatologist Jane Sterling... Like this podcast? Please help us by supporting the Naked Scientists
2/10/20202 minutes, 59 seconds
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Will the poles switching cause problems?

Listener Ray asked us: " The Earth has apparently reversed its polarity fairly regularly, and is perhaps overdue for the next instance. Is anything known about how this will happen, and the effects? How will it affect our reliance on technology?" We put Ray's question to Richard Harrison, Head of the Department of Earth Sciences at the University of Cambridge, and he gave us a flipping good answer... Like this podcast? Please help us by supporting the Naked Scientists
1/27/20203 minutes, 45 seconds
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Why don't women's bodies reject sperm?

Jure asked us "Why doesn't a woman's body reject sperm as a foreign object?" Phil Sansom sought out the answer, by speaking to doctor and sexual health consultant Graham McKinnon... Like this podcast? Please help us by supporting the Naked Scientists
1/20/20203 minutes, 36 seconds
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QotW - Why does my phone coverage vary?

Listener Derek got in touch with this question - "I can sit at my work desk, with my phone by my side, and the signal strength display goes from saying "no service" to 4 bars out of 5, within a couple of minutes, for no obvious reason. It varies like this all day, every day. I can understand why some places have good coverage, and others have bad coverage, but why should it vary so much in one place?" We asked signal expert Ramsey Faragher from Focal Point Positioning and Cambridge University to dial up an answer to Derek's question about wandering mobile phone bars... Like this podcast? Please help us by supporting the Naked Scientists
1/13/20204 minutes, 2 seconds
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What is the best way to heat my home?

Tim says: "The experts at the Energy Saving Trust and British Gas say it's cheaper to heat your home only when you need it. But my heating control panel says that it uses less energy to keep a background temperature when the room is unoccupied, than it does to allow the dwelling to chill too much. I'm confused! Which advice is correct?" We put Tim's question to Mike Childs, head of science, policy and research at Friends of the Earth. Also helping us out is Lewis Tyronney, an engineer with British Gas... Like this podcast? Please help us by supporting the Naked Scientists
12/16/20194 minutes, 47 seconds
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QotW - Do hairs grow out grey, or turn grey?

Elizabeth got in touch to ask: "do hairs grow out grey, or do hairs that have colour eventually turn grey?" We asked hair expert Desmond Tobin, director of the Charles Institute of Dermatology, University College Dublin... Like this podcast? Please help us by supporting the Naked Scientists
12/9/20194 minutes, 6 seconds
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Why isn't sea level rise the same worldwide?

Listener Geoff asks, "How is it that there are rising sea levels impacting some island nations such as the Maldives and Kiribati, yet 1000 kilometres in any direction there is no discernible sea level change at all?". To answer this question, Nadeem Gabbani spoke to Dr. Rob Larter of the British Antarctic Survey... Like this podcast? Please help us by supporting the Naked Scientists
11/25/20193 minutes, 9 seconds
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Do mosquitoes prefer certain blood types?

Vinny asked us: "I have read mosquitos have a preference for blood type and prefer people with Type O blood over those with Type B, or prefer Type B over Type A. Is this true, and how do they know the difference between types?" To seek out an answer to this one, Adam Murphy got in touch with Immo Hansen, from New Mexico State University to find out... Like this podcast? Please help us by supporting the Naked Scientists
11/18/20193 minutes, 41 seconds
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Why does my watery windscreen turn to ice?

Mike got in touch to say: "When the outside temperature is hovering around the freezing mark, the condensation or dew on my automobile windshield is in a liquid state. But if I wipe the windshield, the liquid water changes to ice. Why is that?" To help, Adam Murphy spoke to Liz Thomas from the British Antarctic Survey... Like this podcast? Please help us by supporting the Naked Scientists
10/28/20192 minutes, 55 seconds
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Could you eat a dinosaur?

Dan got in touch to ask whether most animals are edible, including dinosaurs! Mariana tucked into this question.... Like this podcast? Please help us by supporting the Naked Scientists
10/21/20193 minutes, 38 seconds
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Will SpaceX's satellites clog up the sky?

Listener Pete asks, "SpaceX has launched the first 60 of what is to be a mesh of some 12,000 satellites. Two questions: how will this completed mesh impact 1) ground based optical and microwave astronomical observations, and 2) the ability of future space missions, manned and otherwise, to navigate through the cloud of objects?" To answer this question, Phil Sansom got in touch with two experts: UCL's Ingo Waldmann, and ESA's Holger Krag... Like this podcast? Please help us by supporting the Naked Scientists
10/14/20193 minutes, 36 seconds
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When should you refrigerate cooked chicken?

Julie wrote in with this question for us: "I have received such conflicting advice from TV food cooks. Some say that cooked chicken should be allowed to cool down to room temperature before refrigeration whilst others say to put the hot cooked chicken into the refrigerator immediately. Which is right?" Mariana Marasoiu nibbled away at this question with Paul Wigley from the University of Liverpool... Like this podcast? Please help us by supporting the Naked Scientists
9/30/20193 minutes, 22 seconds
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Can fingernails stop rhino poaching?

John asked, "I'd like to know if enough people in the world donated their finger and toe nail clippings, could enough keratin be produced to satisfy the demand and thus stop the poaching of wild animals in Africa?" Mariana Marasoiu spoke with Jon Taylor from Save the Rhino International and Simon Hedges from Asian Arks about whether rhino horn alternatives can help save them... Like this podcast? Please help us by supporting the Naked Scientists
9/23/20194 minutes, 51 seconds
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Why does pasta water boil over?

This week's question is a curious cooking query from Anthony. "When pasta or rice is added to boiling water, there is a sudden surge of the boiling water to the point that the pot boils over with bubbles. Why is this?" Phil Sansom got in touch with Phillip Broadwith, business editor of the magazine Chemistry World... Like this podcast? Please help us by supporting the Naked Scientists
9/16/20193 minutes, 38 seconds
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Why is wildlife around Chernobyl thriving?

This week, a question from Bill. "My question is about Chernobyl and why it is that wildlife seems to be thriving there and yet we understand that humans still can't survive there. Why is this?" Phil Sansom spoke to someone who's actually been there - Victoria Gill, a science correspondent for BBC News... Like this podcast? Please help us by supporting the Naked Scientists
8/19/20193 minutes, 45 seconds
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Will climate change affect monsoons?

Saugat asked "what is the exact cause of monsoon rain, and how will it be affected because of global warming?" Ruth Geen, from the University of Exeter, works with modelling the effect of climate change on monsoons and helped Emma Hildyard pour some insight into this... Like this podcast? Please help us by supporting the Naked Scientists Like this podcast? Please help us by supporting the Naked Scientists
8/4/20193 minutes, 50 seconds
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QoTW: Can you tell if its sunrise or sunset?

This week, Manik from Canberra asked if it's possible to tell whether it's sunrise or sunset from looking at a photo or a painting. Ankita Anirban spoke to painter James Gurney and physicist William Livingston to shed light on the situation... Like this podcast? Please help us by supporting the Naked Scientists
7/28/20193 minutes, 41 seconds
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Can a huskys fur keep it cool in summer?

This week we are answering a question from Alex: "Are huskies (or dogs in general) able to insulate themselves from the cold of winter and from the heat of a hot summer's day as well?"Matthew Hall asks Christof Schwiening from Cambridge University's Department of Physiology... Like this podcast? Please help us by supporting the Naked Scientists
7/14/20193 minutes, 46 seconds
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Can a transfusion change your blood type?

This week we are answering a question sent in by Mark: "is it possible to have so many blood transfusions that your blood type changes?" Emma Hildyard asks Cedric Ghevaert, from the Department of Haemotology at the University of Cambridge... Like this podcast? Please help us by supporting the Naked Scientists
7/7/20193 minutes, 38 seconds
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Do candles really clear nasty smells?

Patrick sent us this question: "My wife wants me to light a candle after doing my number two, to get rid of the smell. Does this actually do anything?"Phil Sansom has been sniffing out an answer, with the help of Kit Chapman from Chemistry World. Like this podcast? Please help us by supporting the Naked Scientists
5/19/20195 minutes, 4 seconds
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How long after eating is that carbon exhaled?

Greg asked, "When I exhale, my breath contains carbon atoms. How long ago were they in my food or drink?" We were hungry for answers, so Ruby Osborn asked Fred Warren from the Quadram Institute Bioscience to break it down... Like this podcast? Please help us by supporting the Naked Scientists
5/12/20193 minutes, 37 seconds
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How to see faint stars

Sean asked "Why is it that when you look directly at a small faint star it disappears, but when you look at a point near it, you can see it again?" Ben McAllister has been searching far and wide for the answer to this cosmological conundrum... Like this podcast? Please help us by supporting the Naked Scientists
4/28/20194 minutes, 31 seconds
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Can purple carrots turn your skin purple?

We received this question from Aidan, "Consuming orange carrots in high excess can turn your skin orange, because of the beta-carotene. What about purple carrots?" Jack Tavener and Katie Haylor have been crunching through some research to get to the root of this question.If you enjoyed this episode, please leave a review. Plus, for more podcasts by The Naked Scientists head to nakedscientists.com/podcasts. Like this podcast? Please help us by supporting the Naked Scientists
3/31/20194 minutes, 2 seconds
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Why do socks disappear in the wash?

We received this question from Chani... "My socks never stay together in the wash. One always disappears. Is there a scientific explanation for where those socks go? Why are they so unhappy in monogamous relationships?"Izzie Clarke asked Rob Eastaway, mathematician and author of "How Many Socks Make A Pair", to sort out the odds. For more podcasts, head to nakedscientists.com or like and subscribe to The Naked Scientists or Question of the Week on your favourite podcast app. Like this podcast? Please help us by supporting the Naked Scientists
3/18/20193 minutes, 47 seconds
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Effect of ethanol on brain?

Donald asked us what specific effects ethanol has on the brain and why certain regions are more impacted than others when we have a drink. This week, Joe Galea, from the University of Birmingham, helps us to distil the answer... Like this podcast? Please help us by supporting the Naked Scientists
3/4/20193 minutes, 46 seconds
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Why can some people imitate accents?

Lia asked us why some people seem to be naturally good at imitating voices and accents. To get the last word, Adam Murphy got an answer from Jonathan Goodman, from the Language Sciences Department at Cambridge University... Like this podcast? Please help us by supporting the Naked Scientists
2/18/20193 minutes, 34 seconds
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Why do candles smoke and smell?

Richard was wondering why do candles make more smoke and smell after they've gone out. Jenny Gracie has been sniffing out an answer from Duncan Graham at the University of Strathclyde and Ricky Carvel from the University of Edinburgh to help shed some light on the question... Like this podcast? Please help us by supporting the Naked Scientists
2/4/20193 minutes, 42 seconds
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QotW - What language do deaf people think in?

Bree asked: If a person is born completely deaf and can't hear a thing, what language do they think in? We asked Dr Mairead MacSweeney, director of the Deafness Cognition and Language Research Centre at University College London... Like this podcast? Please help us by supporting the Naked Scientists
1/28/20193 minutes, 48 seconds
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Do plants eat dirt?

Marcus was wondering how trees, such as giant oaks, can grow so huge and not make a hole in the ground. Where does their mass come from if not from the dirt? Jenny Gracie has been digging deep to find an answer, with help from Andrew Weatherall from the National School of Forestry at the University of Cumbria... Like this podcast? Please help us by supporting the Naked Scientists
1/21/20193 minutes, 2 seconds
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Why doesnt old soap make suds effectively?

When a bar of soap gets used a lot and gets smaller, it seems to struggle to form suds properly. Is something other than just a smaller surface area going on? Eva Higginbotham has been scubbing up to answer this question with the help of Phillip Broadwith, Business Editor at Chemistry World, and Paul Dauenhauer from the University of Minnesota... Like this podcast? Please help us by supporting the Naked Scientists
1/14/20194 minutes, 5 seconds
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What happens to bubbles in space?

This week, Malcolm's been watching the science fiction film, Passengers. He wanted to know what happens to air bubbles in water if gravity was suddenly turned off. Adam Murphy spoke to Stuart Higgins from Imperial College London, and to David Kinahan from Dublin City University, to get an answer to this weighty question... Like this podcast? Please help us by supporting the Naked Scientists
12/17/20183 minutes, 33 seconds
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Can dogs recognise each other as dogs?

Do we know if a Great Dane meeting a Chihuahua recognises it as another dog? We asked Professor Donald Broom from Cambridge University and Dr Charlotte Duranton to help us sniff out the answer to Dotty's question. Like this podcast? Please help us by supporting the Naked Scientists
11/26/20183 minutes, 57 seconds
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How do you fly in a hurricane?

This week, Daniel wants to know why hurricane researchers seem to use propeller-driven planes when flying into the eye of the storm. Eva Higginbotham spoke to Dr Anna Young of the University of Cambridge's Whittle laboratory, to find out what's 'up' in the field of aeroplane engines. Like this podcast? Please help us by supporting the Naked Scientists
11/19/20184 minutes, 2 seconds
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When did we become modern day humans?

With the help of Cambridge University's Professor Robert Foley, Sam Brown took a trip back in time to answer Stuart's question: If you could bring a baby from the past to grow up in the present, how far back could you go before people would notice that this was a time travelling baby? Like this podcast? Please help us by supporting the Naked Scientists
11/12/20183 minutes, 32 seconds
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How do wombats produce cube-shaped poo?

Poo comes in many shapes and sizes. We are used to seeing it on the street or accidentally stepping in different forms including tubes from dogs, pellets from rabbits or big splats from cows, but I have never come across cubic poo. Tamsin Bell asked Dr Louise Gentle from Nottingham trent University to help us out with this stinker... Like this podcast? Please help us by supporting the Naked Scientists
10/29/20183 minutes, 24 seconds
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Is second hand smoke more dangerous than smoking a cigarette?

Is it true that second hand smoking or passive smoking is more likely to give you cancer than smoking a cigarette? Tamsin Bell put this to Stefan Marciniak from the Cambridge Institute for Medical Research... Like this podcast? Please help us by supporting the Naked Scientists
10/21/20184 minutes, 15 seconds
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Why do I feel the pressure of wellies in water?

When standing barefoot in water, we don't feel the water pressure on our feet. But when wearing Wellington boots, we do feel a pinching - why? We asked Colm-cille Caulfield, Professor at Cambridge University, to help us wade through the science of Daniel's question... Like this podcast? Please help us by supporting the Naked Scientists
9/30/20183 minutes, 40 seconds
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Why is Blu-Tack sticky?

Tom asked us "Why is Blu-Tack sticky?" Adam Murphy spoke to Jennifer Gaughran, researcher at Dublin City University, to see if she could help with a question that had us stuck... Like this podcast? Please help us by supporting the Naked Scientists
9/23/20182 minutes, 46 seconds
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Could we terraform the Moon?

Chad asked us "Is it possible to terraform the Moon, so that humans could live there long-term?". Tamsin Bell spoke to David Rothery, Professor of Planetary Geosciences at the Open University, to see what he had to say... Like this podcast? Please help us by supporting the Naked Scientists
9/16/20183 minutes, 17 seconds
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Do wild animals get allergies?

On Twitter, Andrew asked us: "Do wild animals suffer from allergies, and if so, does this occur at the same rate as in humans?" We spoke to Wild Immunologist Andy Flies, from the University of Tazmania, to sniff out an answer... Like this podcast? Please help us by supporting the Naked Scientists
9/2/20182 minutes, 59 seconds
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Are there more stars in the sky or grains of sand on the earth?

Are there more grains of sand on Earth or stars in the sky, and who counted them? We search heaven and Earth to answer Jeff's question, recruiting astronomer Michael Merrifield from Nottingham University to help out... Like this podcast? Please help us by supporting the Naked Scientists
8/19/20183 minutes, 30 seconds
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How do Non-Stick Pans Work?

Martin asked us "What's the science behind non-stick pans? What prevents the sticking?"; To help out with this sticky situation, we spoke to Jess Wade, a materials scientist at Imperial College London, to get her take... Like this podcast? Please help us by supporting the Naked Scientists
8/5/20183 minutes, 33 seconds
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What is the minimum land area required to sustain one human being?

Charlie asked us to field the question, "what is the minimum area required to sustain one human being in terms of oxygen and food?" Marika Ottman brought this cultivation conundrum to Marco Springmann, the Senior Researcher on Environmental Sustainability and Public Health at the University of Oxford... Like this podcast? Please help us by supporting the Naked Scientists
7/30/20183 minutes, 50 seconds
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Brain Response to Audiobooks

Tuomo asks, "Does your brain respond differently when you're listening to an audiobook compared to when you're reading a book? And does this affect how much information you can retain?". Isabelle Cochrane put this to Dr Matt Davis, Programme Leader in Hearing Language at Cambridge's MRC Cognition and Brain Sciences Unit... Like this podcast? Please help us by supporting the Naked Scientists
7/15/20183 minutes, 35 seconds
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Why do humans get bored?

Theo and Simon Hall asked Why do humans get bored? And what is the evolutionary advantage of boredom? Adam Murphy put this question to Dr. Brian Little at the University of Cambridge to get his less than boring answers... Like this podcast? Please help us by supporting the Naked Scientists
7/1/20183 minutes, 44 seconds
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How do astronauts weigh things in space?

Chris Taylor wonders how astronauts can weigh things in space. Marika Ottman asks Michael Foale, a former NASA Astronaut and Commander of the International Space Station, to weigh in and assess the gravity of the situation... Like this podcast? Please help us by supporting the Naked Scientists
6/24/20183 minutes, 47 seconds
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Could We Eat Alien Life?

Eamonn asked us to chew over this alien question: If some-day we managed to travel to another planet and discovered aliens, what is the likelihood that we could eat them?We turned to Gareth Corbett, gastroenterologist at Addenbrooke's Hospital in Cambridge, to see if he had any food for thought... Like this podcast? Please help us by supporting the Naked Scientists
6/3/20183 minutes, 12 seconds
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Why does my nose drip in cold weather?

Listener Mike asked us to sniff out an answer to cold conundrum... When I cycle my bike in cold weather my nose runs, it doesn't happen in warm weather and is their anything I can do to help with it?We took this snotty situation to Ears nose and throat specialist, Neil Donelly, from Addenbrookes hospital. Like this podcast? Please help us by supporting the Naked Scientists
5/20/20183 minutes, 24 seconds
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How does size affect death from falling?

Matt asked how big an animal or human has to be before a fall would kill it. Katie Haylor put this perilous pondering to physicist Stuart Higgins from Imperial College London... Like this podcast? Please help us by supporting the Naked Scientists
3/5/20184 minutes, 20 seconds
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Do lobsters feel pain?

Switzerland has now banned boiling lobsters live. Do they experience pain; how do we know? Georgia Mills asked Professor Bob Elwood from Queen's University, Belfast, for his take on this hot topic. Like this podcast? Please help us by supporting the Naked Scientists
2/12/20183 minutes, 48 seconds
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Is it better to walk or run in the cold?

Izzie Clarke's been chilling out with this Question of the Week from Trent... Like this podcast? Please help us by supporting the Naked Scientists
2/5/20183 minutes, 12 seconds
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Why does fresh pasta rise during cooking?

Martin wanted to know why fresh pasta rises to the surface of the pot when it's ready. We asked Dr Chris Brock from London South Bank University. Like this podcast? Please help us by supporting the Naked Scientists
1/29/20184 minutes, 4 seconds
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Do fish yawn?

The Waite family wanted to know if fish yawn, so Heather Wark spoke to Iain Barber from Nottingham Trent University, to find out. Like this podcast? Please help us by supporting the Naked Scientists
12/18/20173 minutes, 37 seconds
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Could a space rocket be launched from a gun?

Anthony wanted to know if firing space rockets out of giant guns would be a better way to blast off. Heather Wark spoke to Dr Stuart Grey of Strathclyde University to find out... Like this podcast? Please help us by supporting the Naked Scientists
12/11/20173 minutes, 57 seconds
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Why do people pick their noses?

This week we answered the sticky query, Why do people pick their noses?. Lewis Thomson put it to Liverpool GP Dr Laura Wark. Like this podcast? Please help us by supporting the Naked Scientists
11/20/20173 minutes, 23 seconds
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What happens if your car is struck by lightning?

Elizabeth wanted to know whether she'd be safe if her car was hit by lightning or whether the engine would cut out. Izzie Clarke spoke to Philip Garsed from Cambridge University to spark up the debate on this electrifying question. Like this podcast? Please help us by supporting the Naked Scientists
11/6/20173 minutes, 47 seconds
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How long can we survive for without a head?

In the 1940's there was a chicken who survived for 18 months without a head, how long can humans survive for without a head? Like this podcast? Please help us by supporting the Naked Scientists
10/30/20173 minutes, 41 seconds
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Is it safe to live near a cell phone tower?

Jayson wanted to know if living near a cell phone tower could be affecting his and his family's health. Stevie Bain spoke to physicist Tony Kent from the University of Nottingham to shed some light on the situation. Like this podcast? Please help us by supporting the Naked Scientists
10/22/20173 minutes, 47 seconds
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Are flies easier to swat if you move slowly?

Jon wanted to know whether approaching a fly slowly would make it easier to swat. With the help of animal vision specialist Kate Feller from Cambridge University, Michael Wheeler's been swotting up on swatting flies. Like this podcast? Please help us by supporting the Naked Scientists
10/8/20173 minutes, 21 seconds
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Does cooking remove alcohol?

Zettie wanted to know how much alcohol stays behind in food when you cook with it. Alexandra Ashcroft asked Vayu Maini Rekdal, from Harvard University, to turn up the heat on this question... Like this podcast? Please help us by supporting the Naked Scientists
9/24/20173 minutes, 53 seconds
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How smart is your pet dog?

David wanted to know how our pet dogs compare to other animals, such as primates and dolphins, when it comes to intelligence. Stevie Bain spoke to Ben Ambridge from the University of Liverpool, and author of 'Are You Smarter than a Chimpanzee?', to find out more. Like this podcast? Please help us by supporting the Naked Scientists
9/17/20173 minutes, 22 seconds
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Why Do Clothes Dry Below 100 Degrees Celsius?

This week, we aired out Norm's question: if water is a solid, as ice, below 0 degrees Celsius, a gas above 100 degrees Celcius and a liquid between this range, why does washing dry when the air temperature is below 100 degrees Celsius. Alexandra Ashcroft asked Dr Thomas Ouldridge, from Imperial College London, to hang Norm's question out to dry... Like this podcast? Please help us by supporting the Naked Scientists
9/10/20174 minutes, 25 seconds
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Could green humans harvest energy from the sun?

This week, Mark has a conundrum about chloroplasts: If we could go green and harvest energy from the sun, like plants, how big would our skin need to be to sustain a normal level of activity? Georgia Mills recruited Christopher Mason, associate professor at Weill Cornell Medicine to shed some light on the answer. Like this podcast? Please help us by supporting the Naked Scientists
8/20/20174 minutes, 24 seconds
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Does washing dishes leave toxic detergent residue on plates?

Caitlin asked whether detergent residues left on crockery and cutlery could be bad for our health. Katie Haylor spoke to Rob Chilcott from the University of Hertfordshire to find out. Like this podcast? Please help us by supporting the Naked Scientists
8/13/20174 minutes, 43 seconds
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Can Anti-Noise Silence A Highway?

Is it possible to create noise-cancelling headphones, but for an apartment? Like this podcast? Please help us by supporting the Naked Scientists
6/25/20173 minutes, 57 seconds
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Why Warm up Muscles?

Jim asked whether being in a warm room - like in a hot yoga class - really does help your muscles to warm up quicker. Katie Haylor spoke to Christof Schweining from the University of Cambridge to find out. Like this podcast? Please help us by supporting the Naked Scientists
6/11/20173 minutes, 48 seconds
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Can we exercise our brain to improve at difficult tasks?

Like physical activity, can we exercise our brain to improve at difficult mental challenges? Izzie Clarke spoke to Duncan Astle from Cambridge University about this tiring task... Like this podcast? Please help us by supporting the Naked Scientists
5/14/20174 minutes
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Why do musical instruments sound different when playing the same note?

Why does the same musical note sound different when played on different instruments? Why does, for example, an A-sharp on a piano sound different to an A-sharp on a trumpet? Like this podcast? Please help us by supporting the Naked Scientists
5/7/20174 minutes, 26 seconds
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What sound does a falling missile make?

Listener George wondered why, in films, missiles make a descending sound as they fall? And what would it sound like if it fell into a bottomless pit? Izzie Clarke asked Peter Main from King's College London to explain what actually happens... Like this podcast? Please help us by supporting the Naked Scientists
4/23/20173 minutes, 52 seconds
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Why are blue lights harder to see?

David wanted to know why the blue lights he saw in Christmas trees were often harder to make out. Izzie Clarke spoke to Dr George Dobre from Kent University to shed some light on the issue. Like this podcast? Please help us by supporting the Naked Scientists
4/23/20173 minutes, 46 seconds
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Whats the most efficient way to run up steps?

We investigate the most energy-efficient way to climb stairs: one or two at a time? Like this podcast? Please help us by supporting the Naked Scientists
3/26/20174 minutes, 15 seconds
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Can mosquitoes transmit HIV?

Can mosquitoes transmit HIV from one person to another? Ricky Nathvani investigates... Like this podcast? Please help us by supporting the Naked Scientists
3/20/20174 minutes, 18 seconds
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When should I replace my bulbs with LEDs?

Ricky Navthani has been trying to shed some light of Philip's question, about when he should replace his old CFL lights for more efficient LEDs. Like this podcast? Please help us by supporting the Naked Scientists
3/13/20173 minutes, 42 seconds
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How Does My Tea Become Pee?

When you drink tea and use the toilet shortly afterwards, is that the same liquid? Like this podcast? Please help us by supporting the Naked Scientists
2/27/20173 minutes, 26 seconds
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Could we see into the past?

Listener David got in touch to ask about whether mirrors in space could show us what Earth was like a million years ago. Graihagh Jackson asked Cambridge's Anna Hourihane to explain how this might work... Like this podcast? Please help us by supporting the Naked Scientists
2/20/20173 minutes, 31 seconds
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How did birds survive the dinosaur mass extinction?

If birds are dinosaurs, why didn't they get killed by the asteroid 60 million years ago? Tom O'Hanlon put Fay's query to David Norman from the University of Cambridge. Like this podcast? Please help us by supporting the Naked Scientists
2/13/20173 minutes, 21 seconds
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Why are the poles north-south?

Listener Tim got in touch to ask: Why do the poles go north-south as opposed to east-west? Graihagh Jackson spoke to Imperial College's Stuart Higgins to find out... Like this podcast? Please help us by supporting the Naked Scientists
1/24/20173 minutes, 25 seconds
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Do Ants Feel Pain?

Do ants or other insects feel pain in the same way as humans do? And what does it have to do with robots? Tom Crawford gets some ant-sight from the University of York's Eleanor Drinkwater... Like this podcast? Please help us by supporting the Naked Scientists
1/23/20174 minutes, 13 seconds
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What Would Peeing on the Moon Look Like?

What would peeing on the moon look like? Is it even possible? Tom Crawford puts this astronomical question to Dr. Chris Messenger from the University of Glasgow... Like this podcast? Please help us by supporting the Naked Scientists
1/16/20175 minutes, 18 seconds
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Why doesn't water burn?

Water contains hydrogen and oxygen, both of which are important in combustion, so why is it used to put out fires? Why doesn't water burn? Graihagh Jackson put this to chemist Peter Wothers from the University of Cambridge... Like this podcast? Please help us by supporting the Naked Scientists
12/5/20164 minutes, 41 seconds
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Why does a broken magnets form two new ones?

Why is it when we break a magnet in half, we get two new magnets? Why don't we just get separate north and south poles formed? Liam Messin set out to find the answer with Tim Boyd, a Cambridge undergraduate... Like this podcast? Please help us by supporting the Naked Scientists
11/28/20164 minutes, 3 seconds
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Can light exert a force to move an object?

Why don't you get thrown backwards when you switch on your torch? Kerstin Gpfrich made her way to the Nanophotonics Centre in Cambridge to find out from Dr. Anna Lombardi. The answer to Matt's question may blow you away... Like this podcast? Please help us by supporting the Naked Scientists
10/23/20163 minutes, 40 seconds
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How much younger would you be after 50 years on Jupiter?

Could a jaunt to Jupiter be the physics-version of anti-wrinkel cream? This week, Kerstin Gpfrich convinced physicist Dr Stuart Higgins to go on a mission to answer Troy's question... Like this podcast? Please help us by supporting the Naked Scientists
10/15/20164 minutes, 19 seconds
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Does regular hand soap kill germs?

This week, Connie Orbach has been cleaning up, answering Dale's question he sent in on Facebook: does soap really kill off germs?, with the help of Cherly Trundle from Addenbrooke's hospital infection control team. Like this podcast? Please help us by supporting the Naked Scientists
10/9/20163 minutes, 12 seconds
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Could nuclear testing cause earthquakes?

To get a handle on this shaky question Connie Orbach called in Dr Alex Copley from Cambridge University's Department of Earth Sciences... Like this podcast? Please help us by supporting the Naked Scientists
9/25/20164 minutes, 22 seconds
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Do animals experience the placebo effect?

Joshua asked us whether animals could ever experience the placebo effect. To find out, Laura Brooks spoke to Eleanor Drinkwater, researcher in animal behaviour at the University of York... Like this podcast? Please help us by supporting the Naked Scientists
9/18/20163 minutes, 53 seconds
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Why does line drying make clothes rough?

Kevin got in touch ask why clothes dried on a washing line can end up feeling rough, crunchy and stiff... To find out, our Laura Brooks contacted Neil Lant at the Fabric and Home Care research and development division of Proctor and Gamble, who make Lenor fabric softener. Like this podcast? Please help us by supporting the Naked Scientists
9/11/20163 minutes, 49 seconds
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Can we unlearn something that we have already learned?

It is not only learning that can appear to be quite hard; it's unlearning that we struggle with. How do we unlearn? Is there any technique for unlearning things? Claire Armstrong put this to neuroscientist Laura Ford, from the University of Cambridge... Like this podcast? Please help us by supporting the Naked Scientists
8/21/20163 minutes, 16 seconds
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If we slice the earth in half what would it look like from space?

Lucka Bibic spoke to Prof Marian Holness from University of Cambridge to take her through Robert's question... Like this podcast? Please help us by supporting the Naked Scientists
7/31/20164 minutes, 9 seconds
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Why does our stomach grumble when we are hungry?

This week, Natasha from Australia wrote in to ask why her stomach grumble when she is hungry. Lucka Bibic enlisted Dr Roshini Raj from Medical Trinity Center in New York to find out what causes the rumbly in our tumbly! Like this podcast? Please help us by supporting the Naked Scientists
7/24/20164 minutes, 16 seconds
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How did the moon get its markings?

Listener Loot got in touch to ask how the moon got its markings. Claire Armstrong looked towards the heavens for the answer and spoke to the Open University's planetary expert Professor David Rothery. Like this podcast? Please help us by supporting the Naked Scientists
7/17/20164 minutes, 17 seconds
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Did the cavemen have names?

Listener Kat got in touch to ask if cavemen really did have names and when did humans start naming each other. Lucka Bibic went in search of cavemen's names with the Professor of Linguistics at MIT, Shigeru Miyagawa. Like this podcast? Please help us by supporting the Naked Scientists
7/10/20164 minutes, 43 seconds
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How do octopus camouflage?

Listener Android got in touch to ask how octopuses camouflage themselves if they are colour blind. Graihagh Jackson went under the sea to see if the seaweed is always greener on the other side with Cambridge University's Felicity Bedford... Like this podcast? Please help us by supporting the Naked Scientists
6/26/20164 minutes
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How do noise cancelling headphones work?

Mark got in touch to find out how noise cancelling headphones work. Can they damage your ears by playing back loud background noise? Fanny Yuen spoke to Trevor Cox to cut the rumble... Like this podcast? Please help us by supporting the Naked Scientists
6/5/20164 minutes, 6 seconds
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How does cooking affect digestion?

Listener Solomon emailed us to find out exactly what role cooking plays in digestion. Emma Sackville met up with Dr. Giles Yeo to break down the question. Like this podcast? Please help us by supporting the Naked Scientists
5/22/20163 minutes, 45 seconds
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Could we recognise a message from space?

This week, Jeff wrote in to ask whether we would be able to recognise and understand an encrypted message from space. Emma Sackville enlisted Dr. Duncan Forgan from the University of St. Andrews to help decode this question... Like this podcast? Please help us by supporting the Naked Scientists
5/8/20163 minutes, 37 seconds
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How fast can an elevator go?

Listener Paul got in touch to ask if it's true that there's almost no restriction in the speed an elevator could ascend when it comes to the human body, but that there was a limiting speed for the descent. Graihagh Jackson was perplexed and intrigued by the question and so went to meet engineer, Dr Philip Garsed from Cambridge University to get up to speed... Like this podcast? Please help us by supporting the Naked Scientists
4/24/20164 minutes, 44 seconds
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Why does spicy food make me hiccup?

Connie Orbach get's to grip with Lebonhang's question and ask Dr Clemency Booth to help... Like this podcast? Please help us by supporting the Naked Scientists
4/10/20164 minutes, 2 seconds
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Can two planets share the same orbit?

This week, Jonathan asked us if it's possible for two planets to share the same orbit. Naked Scientist Graihagh Jackson put this to Dr Stuart Higgins from Cambridge University... Like this podcast? Please help us by supporting the Naked Scientists
4/4/20164 minutes, 32 seconds
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Do humans have pheromones?

People can certainly smell whiffy and sometimes this is attractive, other times not so much but is this a feature of pheromones? Lots of species of mammals have them, so what makes us humans any different? This week , Felicity Bedford sniffed out the answer with Tristan Wyatt from the University of Oxford... Like this podcast? Please help us by supporting the Naked Scientists
3/7/20163 minutes, 49 seconds
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Why do mosquitoes prefer some people over others?

Felicity Bedford enlisted the help of Glasgow University's Heather Ferguson for this biting question... Like this podcast? Please help us by supporting the Naked Scientists
3/1/20163 minutes, 51 seconds
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Why is space so cold?

The number of stars in space is huge, so why is it so chilly? Felicity Bedford spoke to Ryan MacDonald from the Cambridge University Institute of Astronomy to find out more... Like this podcast? Please help us by supporting the Naked Scientists
2/8/20162 minutes, 43 seconds
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Why do our voices sound different in our heads?

Why is it that our voice sounds so different to us than when we hear it back on a recording? Connie Orbach persuaded Dr Nick Gibbons, voice surgery specialist from Lewisham Hospital to take her through Che's question... Like this podcast? Please help us by supporting the Naked Scientists
2/1/20164 minutes, 9 seconds
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Why do people have such a variety of appearances?

Unless you are an identical twin it's unlikely you've found anyone else who looks just like you. But, why do we all look so different? Felicity Bedford spoke to population geneticist Sir Walter Bodmer from Oxford University who is characterising thousands of faces as part of the People of the British Isles Project... Like this podcast? Please help us by supporting the Naked Scientists
1/25/20163 minutes, 42 seconds
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Why do people get bags under their eyes?

We've all had days when we're tired and wish we didn't have dark circles under our eyes. But why do we get these puffy eyes and do they serve a purpose? Felicity Bedford spoke to Dr Sean Lanigan, President of the British Cosmetic Dermatology Group to find out more... Like this podcast? Please help us by supporting the Naked Scientists
1/18/20163 minutes, 50 seconds
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What causes sleepwalking?

Listener Sterling wanted to know what causes sleepwalking and how to prevent it. Like this podcast? Please help us by supporting the Naked Scientists
12/14/20153 minutes, 47 seconds
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If polar bears were transported to Antarctica, would they thrive?

Reduced sea ice is threatening polar bears in the Arctic. Listener Kevin wanted to know if they would thrive at the south pole instead? Like this podcast? Please help us by supporting the Naked Scientists
12/7/20153 minutes, 54 seconds
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What would happen if I plucked a guitar in space?

Jess wanted to know what would happen if she plucked a guitar in space. Would her music be out of this world? Felicity Bedford spoke to Professor Jim Woodhouse from the University of Cambridge to find out. Like this podcast? Please help us by supporting the Naked Scientists
11/30/20153 minutes, 32 seconds
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How can I stop a runny nose?

Winter is coming and with it comes a runny nose but how can we stop a snotty hooter? Listener Amanda was keen to nose the answer, so Felicity Bedford spoke to GP Adam Forman to find out... Like this podcast? Please help us by supporting the Naked Scientists
11/24/20153 minutes, 10 seconds
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Why do we go bald on our heads?

It would appear that people on go bald on their heards, but why? And why not elsewhere? Rosalind Davis has been pulling her hair our over this one with Professor Robert Foley from the University of Cambridge... Like this podcast? Please help us by supporting the Naked Scientists
11/16/20153 minutes, 10 seconds
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Why do we like looking at views?

Eleanor wanted to know why people enjoy looking at views. Do we learn this socially or is it innate? Rosalind Davies spoke to Michael Forster from the University of Vienna to find out. Like this podcast? Please help us by supporting the Naked Scientists
11/1/20153 minutes, 47 seconds
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Are zombies feasible?

With Halloween just around the corner, Stephen asks the spooky question, Are zombies feasible?. Charis Lestrange investigates with the help of pathologist Suzie English from the University of Cambridge and immunologist Khalil Thirlaway from the University of Nottingham. Like this podcast? Please help us by supporting the Naked Scientists
10/18/20154 minutes, 25 seconds
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What wind speed does it take to tip a lorry?

Marco got in touch after his truck tipped over on the motorway. He wanted to know what speed the wind would need to be blowing at to cause this, so he knew when to stop driving in the future. Rosalind Davies spoke to Zephyr Penoyre, a PhD student at Columbia State University, to find out the answer. Like this podcast? Please help us by supporting the Naked Scientists
10/10/20154 minutes, 22 seconds
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Why do power lines make so much noise?

Anders asked the electrifying question, "Why do power lines make so much noise?";. This seemed rather complicated so Charis Lestrange asked Dr Andrew Griffiths, a semiconductor engineer from the company IQE. Like this podcast? Please help us by supporting the Naked Scientists
10/4/20153 minutes, 42 seconds
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Why is gooseberry jam red when gooseberries are green?

Katie asked the very seasonal question of Why is gooseberry jam red, when gooseberries are green?. This really baffled the Naked Scientists, so Joanna Kerr put this thorny question to Dr Sarka Tumova, a food scientist at the University of Leeds. Like this podcast? Please help us by supporting the Naked Scientists
9/20/20154 minutes, 29 seconds
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Why do we make mistakes during repetitive tasks?

Is it brain fatigue? Or do we go into autopilot? Sam Mahaffey asked Dr Steve Fleming from the Wellcome Trust centre for Neuroimaging at UCL why this happens. And if there is anything we can do to stop it. Like this podcast? Please help us by supporting the Naked Scientists
9/13/20154 minutes, 15 seconds
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Why do we have toenails?

Fingernails seem to have obvious uses but what are our toenails for? Was their some evolutionary benefit? And does that mean we'll evolve toenail-less feet? Sam Mahaffey and Dr Isabelle Winder from the University of York go in search of a gripping answer... Like this podcast? Please help us by supporting the Naked Scientists
9/6/20154 minutes, 30 seconds
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Why does music sound happy or sad?

This week Dave asked why does a minor key sound mournful and a major key sound happy? Amy Goodfellow asks music psychologist Dr Andrea Schiavio from the University of Sheffield if this is really true. Like this podcast? Please help us by supporting the Naked Scientists
8/23/20154 minutes, 50 seconds
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Where are we within the universe?

This week Brian Lucas wanted to know: where are we within the universe? Joanna Kerr decided to try and find out with help from Dr Sean McGee, an astrophysicist from the University of Birmingham. Like this podcast? Please help us by supporting the Naked Scientists
8/17/20153 minutes, 59 seconds
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How many people do you need to avoid inbreeding in a population

This week Louise asked, how many people are needed to avoid inbreeding in a population? To answer her question Connie Orbach looks into setting up her own desert island with the help of Professor Mike Weale, a population geneticist from Kings Collge London. Like this podcast? Please help us by supporting the Naked Scientists
8/9/20154 minutes, 7 seconds
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What are wormholes?

What are wormholes, and how would one be created? James Farr investigates the secrets of the universe... Like this podcast? Please help us by supporting the Naked Scientists
8/2/20154 minutes, 24 seconds
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How much of a wheat field do I need to make one loaf of bread?

This week Amy Goodfellow took a trip to the country to answer Jerry's question - how much bread it takes to make one wholemeal loaf. She spoke to Andrew Whitley, the co-founder of the Real Bread Campaign... Like this podcast? Please help us by supporting the Naked Scientists
7/19/20153 minutes, 36 seconds
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What's the most expensive element on Earth?

This week, Graihagh Jackon drilled into John's question to try and find out what the most expensive element in the world is... But first, how do we define 'expensive?' Chemist Mark Lorch set us straight... Like this podcast? Please help us by supporting the Naked Scientists
7/5/20154 minutes, 38 seconds
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Are fingerprints unique?

This week, Tom Crawford put Helen's question under the magnifying glass to try and find out whether fingerprints really are unique and if so, whether the same applies to toeprints? We put this to Forensic Scientist, Professor Niamh Nic Daeid form Dundee University... Like this podcast? Please help us by supporting the Naked Scientists
6/28/20155 minutes, 8 seconds
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Why does the immune system not attack foetuses?

This week we've been sequencing Lorianna's question: if babies have different genetic sequences from their mother, and are technically foreign objects in the womb, why doesn't the mother's immune system attack? Ziyad Yehia asked Dr Lucy Fairclough, an immunologist from Nottingham University to find out... Like this podcast? Please help us by supporting the Naked Scientists
6/7/20155 minutes, 33 seconds
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Can I land on gassy planets like Jupiter?

This week we tackle Allana's question: If we were to travel to gas giant Jupiter, would we sink to the core? Or float straight on through? Heather Douglas put this to Dr Marc Rayman from NASA's Jet Propulsion Lab to see if he could clear the air... Like this podcast? Please help us by supporting the Naked Scientists
5/31/20154 minutes, 44 seconds
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How do black boxes work?

How do black boxes work? When a plane crashes, there's always a huge search for the elusive 'black box' to solve the mystery. But what is this, and how does it work? Heather Douglas put this to David Barry, senior lecturer in aviation safety, from Cranfield University Like this podcast? Please help us by supporting the Naked Scientists
5/10/20154 minutes
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How are robotic voices generated?

We put this question to Dr Pierre Lanchantin from the University of Cambridge... Like this podcast? Please help us by supporting the Naked Scientists
4/26/20154 minutes, 5 seconds
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Why are ripe pears juicer?

Unripe pears are dry, yet ripe pears are juicy so how do they become moist? Philip Garsed put Dennis' question to plant scientist Sonja Dunbar, from Cambridge University... Like this podcast? Please help us by supporting the Naked Scientists
4/11/20154 minutes, 2 seconds
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Can cheese give you nightmares?

Chris wanted to know if it's true what your mum always told you. Does cheese really give you nightmares? Danielle Blackwell spoke to Max Sanderson, a neuroscientist to find out more... Like this podcast? Please help us by supporting the Naked Scientists
3/23/20153 minutes, 59 seconds
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Eels: A source of electricity?

Bonga tweeted us asking if we could ever use eels as a source as electricity? Would it be efficient? And how would it compare to other energy sources? Khalil Thirlaway caught up with Dr David LaVan from the National Institute of Standards and Technology to find out... Like this podcast? Please help us by supporting the Naked Scientists
3/16/20154 minutes, 14 seconds
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What parasites can I catch from my pets?

From worms to fleas and even microscopic single celled organisms, our pets can transfer a world of parasites to us if we are not careful. Prof Susan Little, a Veternary Parasitologist tells us what parasites we might catch and how we might prevent them. Like this podcast? Please help us by supporting the Naked Scientists
3/9/20153 minutes, 55 seconds
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Why do I urinate more in the cold?

Have you ever noticed that you urinate more frequently in cold weather? Why does this happen? Like this podcast? Please help us by supporting the Naked Scientists
2/23/20152 minutes, 47 seconds
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Are smartphones changing our brains?

It's said that taxi drivers' brains have increased growth in certain areas from navigating around cities. Is increasing smartphone use having a similar effect on other parts of our brains? Like this podcast? Please help us by supporting the Naked Scientists
2/16/20154 minutes, 16 seconds
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Does same-sex attraction happen in animals too?

Is homosexual behaviour seen in other species? What do they do? Why? Find out in this week's Question of the Week... Like this podcast? Please help us by supporting the Naked Scientists
2/9/20154 minutes, 6 seconds
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Why does petrol create a rainbow on water?

We find out why petrol creates a rainbow effect when in contact with water, and how the behaviour of light can create all these colours. Like this podcast? Please help us by supporting the Naked Scientists
2/2/20152 minutes, 49 seconds
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Can we vacuum up the plastics in our oceans?

Could we clean up our oceans of plastics by fitting vacuum cleaners to ships to suck them up? Like this podcast? Please help us by supporting the Naked Scientists
1/26/20153 minutes, 56 seconds
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Is it tiring to dream you're awake?

Different waking dream states can affect whether you feel resfreshed or not after a nights sleep. Like this podcast? Please help us by supporting the Naked Scientists
1/19/20154 minutes, 17 seconds
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Do we really need vitamins?

We chew over some important questions relating to vitamins, including what are they? Do we really need them? Can our bodies store them? And what would happen if we didn't consume any? Like this podcast? Please help us by supporting the Naked Scientists
1/12/20153 minutes, 36 seconds
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What causes the Earth's plates to move?

The tectonic plates below our feet move. But where does the energy for this come from? Apparently the reason is analogous to how your porridge gets heated up in the morning. We find out why! Like this podcast? Please help us by supporting the Naked Scientists
12/15/20144 minutes, 14 seconds
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Can you catch a yawn from a cat?

Why do we yawn? Is it because we're short on air? Matthew Boniface wanted to know this and whether he could catch a yawn from his cat. We spoke to Dr Hugh Matthews from Cambridge University to find out what makes them so contagious... Like this podcast? Please help us by supporting the Naked Scientists
12/1/20142 minutes, 39 seconds
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Will flights ever get faster?

14 hour flights sound like your idea of hell? Paul Jenn wrote in asking whether it was possible to speed up plane journeys, so we went to Neil Scott, head of engineering at Airbus, to find out. Like this podcast? Please help us by supporting the Naked Scientists
11/24/20143 minutes, 18 seconds
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What would happen if you were swallowed by a whale?

If you were swallowed by a whale, could you swim out and up through the oesophagus or would you be digested by the stomach acid? Plus, we ask about the future of flight: Are we going to be forever stuck in this air speed? What are the constraints of aerodynamics? Are noise rules the issue? Can a supersonic jet be ever built with decent fuel economy? Like this podcast? Please help us by supporting the Naked Scientists
11/17/20145 minutes, 26 seconds
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Why is my Movember moustache grey?

Facial hair a different colour to that on your head? We stroke our beards to ponder why. Plus we ask, what happens when you get swallowed by a whale? Like this podcast? Please help us by supporting the Naked Scientists
11/10/20144 minutes, 6 seconds
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How will life end on Earth?

Will we cause our own demise by burning the candle at both ends? Or will it be something like the giant impact that caused the dinosaurs to go extinct? What do you think? Like this podcast? Please help us by supporting the Naked Scientists
10/27/20143 minutes, 48 seconds
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Why do leaves turn red in autumn?

Why do leaves turn red in the autumn? And how do they know when it is time to drop? Like this podcast? Please help us by supporting the Naked Scientists
10/19/20142 minutes, 56 seconds
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How can I avoid being struck by lightning?

Listener Ahmed has been struck by lightning twice! Is he prone to attracting lightning, or just unlucky? Like this podcast? Please help us by supporting the Naked Scientists
10/12/20143 minutes, 41 seconds
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How many people have lived on Earth?

How many people have lived on Earth? We do some number crunching. Like this podcast? Please help us by supporting the Naked Scientists
9/28/20143 minutes, 35 seconds
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How does self cleaning glass work?

Windows, computer screens and phones that never get grubby? What's the chemistry making that self cleaning glass possible? Like this podcast? Please help us by supporting the Naked Scientists
9/21/20143 minutes, 36 seconds
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What makes a good password?

We hack our heads to find out how we can make a secure password. Plus we scrub up the issue and ask: how does self-cleaning glass work? Like this podcast? Please help us by supporting the Naked Scientists
9/14/20143 minutes, 46 seconds
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What happens if a bee gets lost?

If you accidentally relocate a bee in your car, what happens? Would it join another colony or would that be it for the lost bee? For the answer to this insterest-sting question, we spoke to Henry Ferguson-Gow from the Zoological Society of London. Like this podcast? Please help us by supporting the Naked Scientists
9/7/20142 minutes, 39 seconds
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Can we use solar panels in space?

Could we get solar power from space and if so, how would we be able to transmit this energy back to Earth and use it? We spoke to John C. Mankins from Artemis Innovation Management Solutions to find out... Like this podcast? Please help us by supporting the Naked Scientists
8/31/20143 minutes, 31 seconds
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Do emotional and pain-induced tears differ?

Humans are the only animals that cry tears of emotion as well as pain. But does each type of tear differ in its chemical composition, and can you tell why someone was crying from looking at this? Like this podcast? Please help us by supporting the Naked Scientists
8/17/20143 minutes, 47 seconds
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Music: a concentration aid or complete distraction?

Music: a concentration aid or a complete distraction? Why do some people find it helpful and others disruptive? Like this podcast? Please help us by supporting the Naked Scientists
8/10/20144 minutes, 30 seconds
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Can humans spontaneously combust?

This week, we tackle the burning issue of spontaneous human combustion. Reported cases of people bursting into flames nowhere near a fire. Is there any scientific explanation for this? Like this podcast? Please help us by supporting the Naked Scientists
8/2/20144 minutes, 15 seconds
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How much of my body can I live without?

Which organs are vital and which are luxuries of life? We asked Elena Teh, Medical student at Cambridge University, for the gory details... Like this podcast? Please help us by supporting the Naked Scientists
7/27/20143 minutes, 30 seconds
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Is warp speed possible?

Star Trek fantasy or scientifically feasible? We find out with NASA! Like this podcast? Please help us by supporting the Naked Scientists
7/15/20144 minutes, 1 second
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What does your sneeze say about your personality?

We sniff out the science asking does sneeze volume and sound indicate personality type? Like this podcast? Please help us by supporting the Naked Scientists
6/22/20144 minutes
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Can eating sweets stop brain fatigue?

Can you combat brain fogginess and help with french homework by munching sweets? We find out if there is any scientific rationale for this sweet toothed strategy to deal with brain fatigue. Like this podcast? Please help us by supporting the Naked Scientists
6/15/20144 minutes, 6 seconds
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Are cremated ashes good for plant growth?

Would a scattering of your beloved's ashes be good for plant growth? Or could it be toxic? We take this question to Cambridge University's Botanic's Head Gardener. Like this podcast? Please help us by supporting the Naked Scientists
6/8/20144 minutes, 48 seconds
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Is there an antimatter planet out there?

Are there antimatter planets out there? What would they look like? And how would we tell they exist? We find out! Like this podcast? Please help us by supporting the Naked Scientists
5/26/20145 minutes, 2 seconds
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Which painkiller should I use?

What's the difference between aspirin, paracetamol and ibuprofen? We turn to a Professor of Pain for the answer. Like this podcast? Please help us by supporting the Naked Scientists
5/18/20143 minutes, 54 seconds
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What is fire and how does it burn?

We light up our brains with this burning question, igniting the issue with a Professor of Chemistry and Fire Science, Richard Hull, from Lancaster University. Like this podcast? Please help us by supporting the Naked Scientists
5/11/20143 minutes, 16 seconds
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Why am I so tired and bored in the office?

Do you feel tired, irritable and bored during the week? Yet full of beans and enthusiasm at the weekend? We find out why this could be! Like this podcast? Please help us by supporting the Naked Scientists
4/27/20144 minutes, 18 seconds
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Man v Machine

Why does my PC need more data storage than my DNA? Surely human processing power is greater than a computers? We crunch into the data to find out! Like this podcast? Please help us by supporting the Naked Scientists
4/6/20144 minutes, 20 seconds
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Is technology steering human evolution?

Is technology changing at too fast a pace for our genetic material? Has human evolution halted? We find out! Like this podcast? Please help us by supporting the Naked Scientists
3/30/20144 minutes, 25 seconds
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Is elevator style travel across Earth possible?

Could we banish planes and instead use the Earths natural spin to help long distance travel across it's surface? Like this podcast? Please help us by supporting the Naked Scientists
3/24/20144 minutes, 41 seconds
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Does Lightning Fry Fish?

When lightning strikes the sea, does it electrocute fish nearby? Like this podcast? Please help us by supporting the Naked Scientists
3/10/20144 minutes, 54 seconds
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Can a brain scan tell if you are depressed?

We zoom into MRI scanning to find out why it is so low resolution and ask, if it was improved could that help diagnosing disorders of the brain? Like this podcast? Please help us by supporting the Naked Scientists
2/24/20143 minutes, 55 seconds
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Why are some people left handed?

We find out if other animals exhibit handed'ness. Plus what does it mean to be left handed and right footed? Like this podcast? Please help us by supporting the Naked Scientists
2/17/20143 minutes, 38 seconds
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Is green snot better than yellow?

Does the colour of your snot signify the severity or stage of your cold? Like this podcast? Please help us by supporting the Naked Scientists
2/10/20144 minutes, 7 seconds
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How can I get rid of deodorant stains?

What causes deodorant stains on clothing, and what's the best way to get rid of them? Like this podcast? Please help us by supporting the Naked Scientists
2/3/20144 minutes, 19 seconds
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Why do insects buzz around lights?

There's not that many bugs around this time of year, but those that are seem to collect by by kitchen light. Why is that? Like this podcast? Please help us by supporting the Naked Scientists
1/13/20144 minutes, 1 second
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Why don't electrons fall into the atomic nucleus?

Why don't electrons crash into the centres of atoms? Like this podcast? Please help us by supporting the Naked Scientists
1/6/20143 minutes, 4 seconds
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Is size important?

Does a fly evolve faster than a toad? A whale slower than a barnacle? And if so, how does our bodies immune system keep up with bugs? Like this podcast? Please help us by supporting the Naked Scientists
12/11/20134 minutes, 26 seconds
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Do other animals sweat?

So sweat. Do the birds and bees do it? And even educated fleas? Or is sweating just limited to humans and err, horses? Like this podcast? Please help us by supporting the Naked Scientists
12/4/20134 minutes, 14 seconds
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Why do I overlook the obvious?

We find out how our thoughts get overloaded so that we experience visual cortex blindness and overlook the obvious! Like this podcast? Please help us by supporting the Naked Scientists
11/20/20133 minutes, 51 seconds
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Why can I squirt a jet of saliva from my mouth?

We find out why some humans squirt saliva from their mouth as a fine jet of spit. Like this podcast? Please help us by supporting the Naked Scientists
11/13/20134 minutes, 8 seconds
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Is it a good thing to raise your baby to be bilingual?

We find out if raising your baby to be bilingual is a good or bad thing for brain development. Like this podcast? Please help us by supporting the Naked Scientists
11/6/20133 minutes, 40 seconds
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Can superfoods protect against cancer?

We often see headlines that foods like red wine and veggie curry might decrease your likelihood of catching cancer. Is that true? Like this podcast? Please help us by supporting the Naked Scientists
10/30/20134 minutes, 51 seconds
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Why do I fart after cottage pie?

Why do I fart after cottage pie? And what exactly is a fart? Do certain foods and cooking techniques affect fart frequency and potency? Like this podcast? Please help us by supporting the Naked Scientists
10/22/20134 minutes, 58 seconds
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Can your dog pass on your flu?

Could you pass the flu onto your pooch? Could your dog then sneeze over your Great Aunt Mildred? We find out! Like this podcast? Please help us by supporting the Naked Scientists
10/15/20134 minutes, 9 seconds
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Who's your Bronze Age Ancestor?

This week we dig into our pasts and uncover how related we are to Bronze Age locals. Like this podcast? Please help us by supporting the Naked Scientists
10/8/20134 minutes, 33 seconds
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How many people can Earth support?

We examine whether Earth can sustainably support this many humans. Like this podcast? Please help us by supporting the Naked Scientists
10/1/20134 minutes, 56 seconds
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Does a full moon affect my sleep?

Does the cycle of the moon affect your sleep patterns? We find out! Like this podcast? Please help us by supporting the Naked Scientists
9/24/20134 minutes, 44 seconds
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Is snuff safer than smoking?

What are the relative risks of e-cigarettes, nicotine patches and snuff? Like this podcast? Please help us by supporting the Naked Scientists
9/17/20134 minutes, 41 seconds
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Is sense of smell heightened during pregnancy?

Why is pregnancy associated with high sensitivity to smell? Like this podcast? Please help us by supporting the Naked Scientists
9/10/20134 minutes, 2 seconds
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Dropping a penny on your head from the tallest building in the world

Would it kill you to have a penny dropped on your head from the tallest building in the world, the Burj Khalifa in Dubai? We find out with Dr Hugh Hunt, Engineer at Cambridge University! Like this podcast? Please help us by supporting the Naked Scientists
9/3/20135 minutes, 46 seconds
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Why do we dream? And what are nightmares?

We find out what happens in our brains as we dream, why we have them, and what nightmares are all about. Like this podcast? Please help us by supporting the Naked Scientists
8/28/20134 minutes, 8 seconds
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Why does adding ice make fizzy drinks bubble over?

We find out why ice cubes can make fizzy drinks bubble over, by asking a French champagne specialist! Like this podcast? Please help us by supporting the Naked Scientists
8/21/20133 minutes, 56 seconds
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Could other planets make a substance like diamond?

Could other planets make a substance like diamond? We ask a deep space mining expert. Like this podcast? Please help us by supporting the Naked Scientists
8/14/20134 minutes, 6 seconds
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Do dark matter planets exist?

We find out if dark matter can clump together to form dark planets, dark suns, or dark moons. Like this podcast? Please help us by supporting the Naked Scientists
8/7/20134 minutes, 2 seconds
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How do cells know what they will be when they grow up?

5 yr old Georgia asks how did the cells in her mum's tummy know to make her brain cells? A Nobel Laureate provides the answer! Like this podcast? Please help us by supporting the Naked Scientists
8/2/20134 minutes, 8 seconds
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Sweeties: suck or crunch?

We brush away at this question: is it better for your teeth to suck on, or chew, your sweets? Like this podcast? Please help us by supporting the Naked Scientists
7/24/20134 minutes, 11 seconds
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How does a baby safely stay upside down in the womb?

How do babies stay upside down in the womb for so long? We got summer intern Claudia Esftaphiou to do a headstand in the office to try to get to grips with the answer! Like this podcast? Please help us by supporting the Naked Scientists
7/17/20135 minutes, 8 seconds
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Power from Poo?

Can we get power from poo? We get excited over excrement! Like this podcast? Please help us by supporting the Naked Scientists
7/10/20134 minutes, 22 seconds
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Explode or Freeze first in Space?

Naked Physicist Dave Ansell tries to recreate Space in his garden, in order to get to grips with a listeners question..... Like this podcast? Please help us by supporting the Naked Scientists
7/3/20135 minutes, 24 seconds
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Punching into free will

How does training affect conscious control? What happens to automatic movements as we age? Like this podcast? Please help us by supporting the Naked Scientists
6/26/20135 minutes, 1 second
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Why do I feel sick after exercise?

We find out what's going on if exercise is making you sick. Plus we ponder the existance of free will. Like this podcast? Please help us by supporting the Naked Scientists
6/19/20134 minutes, 31 seconds
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What is the physiology behind emotional breakdown?

What is the physiology behind emotional breakdown? Everybody has had the feeling in traumatic situations of getting all choked up, voice breaking and tears welling up.But why does it happen? We find out! Like this podcast? Please help us by supporting the Naked Scientists
6/13/20133 minutes, 50 seconds
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What is the highest possible mountain on Earth?

We find out if a mountain on Earth could ever reach 20 km high. Plus we ask, what is going on during an emotional breakdown? Like this podcast? Please help us by supporting the Naked Scientists
6/6/20134 minutes, 19 seconds
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Do street lights affect birds and plants?

We find out if street lights are affecting plants and birds. Plus we ask how high can a mountain be here on Earth? Like this podcast? Please help us by supporting the Naked Scientists
5/30/20134 minutes, 20 seconds
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How do plants grow upwards?

We find out what happens if you take a plant into space, and we ask how does street lighting affect nature? Like this podcast? Please help us by supporting the Naked Scientists
5/23/20134 minutes, 27 seconds
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What is wind?

We find out what is wind and why do we have it? Plus we ask, why and how do plants always grow upwards? Like this podcast? Please help us by supporting the Naked Scientists
5/16/20134 minutes, 8 seconds
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Are city dwellers more immune to bugs?

Is living in the big smoke better for your immune system in the long term as you are exposed to more people and their bugs? Plus we ask, what is wind and why do we have it? Like this podcast? Please help us by supporting the Naked Scientists
5/9/20133 minutes, 21 seconds
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How best to date ancient artefacts?

Naked Archeologist Diana O Carroll takes us on a trip of dating ancient artefacts. Plus we ask, is city living an immune booster? Like this podcast? Please help us by supporting the Naked Scientists
5/2/20134 minutes, 21 seconds
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Can gene therapy treat depression?

We find out if gene therapy could help beat depression, plus we ask are early risers more likely to be cheerful? Like this podcast? Please help us by supporting the Naked Scientists
4/18/20134 minutes, 5 seconds
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Can we acheive artificial photosynthesis?

We find out if we can mimic the power of plants to meet our energy demands. Plus we ask, could we use gene therapy for depression? Like this podcast? Please help us by supporting the Naked Scientists
4/11/20133 minutes, 18 seconds
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How long does it take for comets to melt?

We find out how long it takes for a comet to melt and we ask could we ever get a cometless sky? Plus we wonder the power of plants. Like this podcast? Please help us by supporting the Naked Scientists
4/4/20133 minutes, 28 seconds
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Could civilisation cope without computers?

We rely increasingly on computer networks. If a solar storm or malicious virus hit the network, could our current civilisation dependency on computer networks be damaged irreversibly? Plus we ask, will all the comets in the sky ever melt away? Like this podcast? Please help us by supporting the Naked Scientists
3/22/20134 minutes, 44 seconds
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Do other animals practice dental hygiene?

Are humans the only species that practice dental hygiene to retain their pearly nashers? Plus we ask, could we cope if computers conked? Like this podcast? Please help us by supporting the Naked Scientists
3/13/20134 minutes, 45 seconds
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Will a body wrap help me lose weight?

We find out if a body wrap will help you lose weight. Plus we ask are humans the only animals that practice dental hygiene? Like this podcast? Please help us by supporting the Naked Scientists
3/7/20133 minutes, 28 seconds
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Will our increasing human population cause a water shortage on Earth?

We find out if Earth's expanding human population will affect water supplies. Plus we ask, does the new anti-fat fad Shrinking Violet work? Like this podcast? Please help us by supporting the Naked Scientists
2/28/20134 minutes, 6 seconds
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Are Humans Meant for Monogamy?

Many other species have multiple partners, but are humans meant for monogamy? Plus we ask, do flies have a super sense of smell? Like this podcast? Please help us by supporting the Naked Scientists
2/14/20133 minutes, 32 seconds
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Can you make a mini Mars at home?

We find out if you can emulate a Martian environment in the kitchen, and if so, can you grow plants there? Plus we ask, are humans meant for monogamy? Like this podcast? Please help us by supporting the Naked Scientists
2/8/20134 minutes, 18 seconds
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Can you get a Tabby Human?

Cats can have patterned fur, but can you get a tabby human? Plus we ask can we make a miniature Mars at home? Like this podcast? Please help us by supporting the Naked Scientists
2/1/20134 minutes, 12 seconds
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Do anti-mosquito sound devices work?

We find out if there is any evidence that anti-mosquito sound devices actually work. Plus we ask, do you get tabby humans? Like this podcast? Please help us by supporting the Naked Scientists
1/25/20134 minutes, 20 seconds
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How is sleepiness related to cheerfulness?

We find out if there is a relationship between early rising and cheerfulness. Plus we ask how best to repel mosquitoes! Like this podcast? Please help us by supporting the Naked Scientists
1/21/20136 minutes, 20 seconds
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Why aren't blood donations rejected?

We find out why blood donations aren't rejected more readily. Plus we ask, is sleepiness related to cheerfulness? Like this podcast? Please help us by supporting the Naked Scientists
1/14/20134 minutes, 43 seconds
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How do touch sensitive switches work?

We find out why touch sensitive switches are sensitive to skin, soap and potato but not everything else? Plus we ask how do drinks & exercise affect the taste of your chewing gum? Like this podcast? Please help us by supporting the Naked Scientists
12/17/20123 minutes, 47 seconds
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Do foetuses get cancer?

We find out if foetuses get cancer, 15 yr old Louis from London got in touch asking: their cells divide rapidly, so surely they can make genetic errors and get cancer? Plus we ask, how do touch sensitive gadgets work? Like this podcast? Please help us by supporting the Naked Scientists
12/10/20124 minutes, 17 seconds
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Can we make a real life Spiderman?

We find out if we could mix spider and human DNA to create a real life Spiderman. Plus we ask, do foetuses get cancer? Like this podcast? Please help us by supporting the Naked Scientists
12/3/20124 minutes, 1 second
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On Mars nobody can hear you scream. Is that really true? And if so, why?

ON MARS NO ONE CAN HEAR YOU SCREAM. Is that really true? And if so, why? Plus we ask, can we mix spider and human DNA to make Spiderman? Like this podcast? Please help us by supporting the Naked Scientists
11/26/20124 minutes, 10 seconds
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Do menstrual cycles synchronise?

Do menstrual cycles synchronise for women who live together? If so, is there any evolutionary reason for this? Like this podcast? Please help us by supporting the Naked Scientists
11/21/20124 minutes, 35 seconds
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How long can one survive on self cannibalisation?

This week we find out how long you could survive by just eating your own severed limbs, plus we search for synchrony in menstrual cycles. Like this podcast? Please help us by supporting the Naked Scientists
11/20/20124 minutes, 23 seconds
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Why do certain fungi produce hallucinogens?

This week we find out why certain mushrooms contain hallucinogens, plus we ask, how long could you survive by eating your own limbs? Like this podcast? Please help us by supporting the Naked Scientists
11/6/20123 minutes, 58 seconds
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Can you melt a potato?

This week we ponder potatoes! You can bake a potato, boil a potato, fry them, chip 'em and roast 'em. But CAN YOU MELT one? Plus we ask, why do fungi bother to produce hallucinogens? Like this podcast? Please help us by supporting the Naked Scientists
10/29/20124 minutes, 29 seconds
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Was pre-historic cave art only done in caves?

We find out where our ancestors artistically expressed themselves, plus we ask, how can we melt a potato? Like this podcast? Please help us by supporting the Naked Scientists
10/21/20124 minutes, 51 seconds
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Could we converse with animals?

This week we find out if we there will ever be a real life Dr Doolittle. And sticking with expressing ourselves we ask - was prehistoric art restricted to caves? Like this podcast? Please help us by supporting the Naked Scientists
10/15/20124 minutes, 6 seconds
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Would self bone marrow transplants reverse aging?

We find out if banking our bone marrow early in life, and transplanting down the line, may help halt the aging process. Plus we ask, why are we so good at forgetting names?..... Like this podcast? Please help us by supporting the Naked Scientists
9/30/20126 minutes, 56 seconds
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Has Life Only Started on Earth Once?

Earth seems like such a good place for life to thrive, so is it a good place for life to get started? Has life started on Earth more than once? If so, where is it? Like this podcast? Please help us by supporting the Naked Scientists
9/16/20124 minutes, 32 seconds
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Can mirrors make an infinitely powerful laser?

By simply bouncing a laser beam between two mirrors, could you produce an infinitely powerful laser? And if not, why not? Like this podcast? Please help us by supporting the Naked Scientists
9/8/20125 minutes, 5 seconds
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How does one telephone wire transfer all of that data?

We find out how it is possible for a single telephone wire to carry information for a telephone conversation, file downloads to a computer, WiFi access, and allow us to watch a film and listen to the news. Plus we ask can we make an infinitely powerful laser simply by adding more mirrors? Like this podcast? Please help us by supporting the Naked Scientists
9/2/20124 minutes, 23 seconds
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Is Vitamin D Production like Photosynthesis?

We need exposure to sunlight in order to be able to make vitamin D. Does this mean that humans, like plants, undergo a sort of photosynthesis? Like this podcast? Please help us by supporting the Naked Scientists
8/12/20124 minutes, 35 seconds
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Could we introduce life onto Mars?

This week we speak with NASA's Planetary Protection Officer to find out if we could, and should, introduce life onto Mars. Plus we ask is a human producing Vitamin D a bit like a photosynthesising plant?..... Like this podcast? Please help us by supporting the Naked Scientists
8/5/20123 minutes, 57 seconds
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Will your choice in cutlery alter how your food tastes??

Can the type of cutlery used to prepare and serve food really alter its flavour? And does it really change, or is it just our perception? Like this podcast? Please help us by supporting the Naked Scientists
7/8/20124 minutes, 41 seconds
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Does ice really reduce swelling and speed up healing?

We find out if applying ice to an injury actually helps to speed up healing. Plus we ask, would dining with a silver spoon make your food taste better? Like this podcast? Please help us by supporting the Naked Scientists
7/2/20124 minutes, 31 seconds
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Could gene therapy be used to cheat a DNA test?

We find out if you can escape detection at a crime scene by using clever gene therapy techniques. Plus we ask, does applying ice to an injury actually help? And if so, how? Like this podcast? Please help us by supporting the Naked Scientists
6/24/20124 minutes, 23 seconds
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Why do women live longer than men?

We find out why men generally die before women. Plus we ask can we use gene therapy to cheat a DNA test and escape a crime scene...... Like this podcast? Please help us by supporting the Naked Scientists
6/17/20124 minutes, 45 seconds
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Can we create a living organism from basic elements?

We find out if we can create a living organism from basic elements. Plus we ask, why do women live longer than men? Like this podcast? Please help us by supporting the Naked Scientists
6/9/20124 minutes, 35 seconds
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Do motorways create a microclimate?

This week we find out how a species has so successfully infiltrated the verges of the UK road systems. Plus we ask can we create life by heating up basic chemicals... Like this podcast? Please help us by supporting the Naked Scientists
5/27/20124 minutes, 45 seconds
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Can a magnet be so powerful it crushes what it attracts?

We apply some Naked Science force to this week's question and find out if we make a magnet so strong that is squashes, rather thanks sticks to, your white goods. Plus we ask do motorways create a microclimate? Like this podcast? Please help us by supporting the Naked Scientists
5/20/20123 minutes, 49 seconds
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Why do feet smell cheesy?

This week we hone our noses and sniff out the answer to this stinker of a question...."Why do toenails, and even feet in general, smell cheesy? Plus we ask can we make a magnet so strong that is squashes, rather thanks sticks to, our white goods? Like this podcast? Please help us by supporting the Naked Scientists
5/13/20124 minutes, 3 seconds
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Why don't women have beards?

We find out why, if the gene that codes for men having hairy chests and backs provides an evolutionary advantage in response to an environmental pressure, don't women have beards and hairy chests too? Plus we ask why feet smell cheesy....... Like this podcast? Please help us by supporting the Naked Scientists
4/30/20123 minutes, 45 seconds
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Would reading from a screen keep me awake?

We find out if monitors, screens and e.books are more than your standard page turner leaving you tossing and turning and up all night. Plus we ask, why have women lost their hairy beard and chests..... Like this podcast? Please help us by supporting the Naked Scientists
4/22/20123 minutes, 47 seconds
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Will my skin soak up the calories in skin cream?

This week we find out if a liberal slathering of oil based moisturiser makes up part of our daily calorie quota. Plus we ask, are monitor screens and e.books more than your standard page turner, leaving you tossing and turning and up all night?.... Like this podcast? Please help us by supporting the Naked Scientists
4/15/20123 minutes, 41 seconds
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Why don't you make best use of your energy reserves?

This week we find out why our bodies can't get their priorities right. We find out why we seek out food when we already have enough energy stored around our waists in the form of love handles and pot bellies. Plus we ask - will our skin soak up the calories in sun cream? Like this podcast? Please help us by supporting the Naked Scientists
4/1/20124 minutes, 10 seconds
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Is there an absolute maximum temperature?

This week we find out about the inequality of the temperature scale as a listener asks: "If we can have a lower limit on temperature - absolute zero - so cold that nothing happens, why do we not have an upper limit - a temperature that is so hot that atoms and particles are so hot that they are ripped into the most elementary units and become so excited that they cannot react with anything around them?" Plus we wonder why we don't always get our priorities right........ Like this podcast? Please help us by supporting the Naked Scientists
3/25/20123 minutes, 55 seconds
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Can you Catch Cancer?

Could you get cancer from someone else? Tasmanian devils can catch cancer transmitted through biting. Are there instances of cancers being transmitted this way in humans? Can you catch cancer through a blood transfusion? Plus we ask, why is there not an upper absolute in the temperature scale...... Like this podcast? Please help us by supporting the Naked Scientists
3/19/20125 minutes, 16 seconds
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Would you receive any warning before being squished by a meteoite?

If there were a large object, say a meteorite falling straight down where you are standing, what kind of warning would you notice? Would there be an accompanying sound? Or would you not know until it's too late? Plus we ask, can you catch cancer?..... Like this podcast? Please help us by supporting the Naked Scientists
3/13/20124 minutes, 27 seconds
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When will indestructible plastics finally degrade?

We know that nothing persists for ever so surely plastics in the sea have to break down at some point. How long does it take? And where does the plastic end up? Like this podcast? Please help us by supporting the Naked Scientists
3/5/20124 minutes, 3 seconds
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Can you cross a kangeroo with a sheep to get a wooly jumper?

As the joke goes.....if you cross a kangaroo with a sheep you get a wooly jumper. Is it now possible with modern techniques to cross different animals to make one completely new species? Plus we ask will the plastics in the oceans ever degrade? Like this podcast? Please help us by supporting the Naked Scientists
2/27/20124 minutes, 24 seconds
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Goldfinger versus Goldmember?

Which film dominates with their most realistic use of lasers? Like this podcast? Please help us by supporting the Naked Scientists
2/20/20124 minutes, 38 seconds
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Can you brew beer in zero gravity?

We find out if fermentation yeast survive in Space, we ponder if it is possible to brew up a beer at zero gravity, plus we ask which is the most realistic fictional laser weapon?..... Like this podcast? Please help us by supporting the Naked Scientists
2/13/20123 minutes, 43 seconds
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How much of me is the original me?

A 57 year old male wonders - do I have any original parts? How much of the baby that was born in 1954 is still part of me? Plus we ask can you brew beer in space..... Like this podcast? Please help us by supporting the Naked Scientists
2/6/20124 minutes, 4 seconds
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Would turning off standby devices increase my heating bills?

We're told to save electricity by switching off devices on standby. But if a home is heated solely by electricity, would there still be any savings by turning off all those devices? And a 57 male asks if any of his original parts remain..... Like this podcast? Please help us by supporting the Naked Scientists
1/30/20124 minutes, 20 seconds
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How does a Headache Hurt?

This week I'll be getting inside your head.....with a question from Jarraryd Dunn. Plus we'll be asking is there any point in switching off your lights, TVs, and phone chargers during the winter?... Like this podcast? Please help us by supporting the Naked Scientists
1/23/20123 minutes, 57 seconds
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The Case of the Caramels

With New Year's Resolutions in full swing here's a sweet thermal caramel quandary for us to sink our teeth into..... Like this podcast? Please help us by supporting the Naked Scientists
1/16/20125 minutes, 7 seconds
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Do Sunglasses Cause Sunburn?

Can wearing sunglasses fool your senses into thinking there is less sun and increase your risk of getting sunburn? We take on this quandry and also wonder why cooking caramel causes temperature to increases in stages.... Like this podcast? Please help us by supporting the Naked Scientists
1/9/20124 minutes, 13 seconds
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Why do My Feet Look Further Away?

Why would your feet seem further away when lying down? We put our visual depth perception to the test to find out how being horizontal could change the way you see the world. Plus, we ask if wearing sunglasses increases your risk of getting sunburned? Like this podcast? Please help us by supporting the Naked Scientists
12/19/20113 minutes, 29 seconds
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Do fish orgasm?

Fish reproduce by squirting out eggs and fertilising them, so where's the joy in that? Is there any form of pleasure that fish can experience through reproducing? We explore this fishy conundrum in Question of the Week. Plus, we ask why one's feet can sometimes look farther away than they ought to..... Like this podcast? Please help us by supporting the Naked Scientists
12/12/20114 minutes, 9 seconds
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Why some noises send shivers down my spine?

Why is it that the sound of nails being dragged down a blackboard makes every muscle tense and every nerve jangle? We tackle this teeth-grittingly uncomfortable problem in QotW. Plus, we ask whether fish experience extra benefits in laying eggs. Like this podcast? Please help us by supporting the Naked Scientists
12/5/20113 minutes, 56 seconds
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Why can't I focus on a reflection?

For those who are long or short-sighted, have you ever experienced an inability to focus on objects in the mirror - even though you should be close enough to the mirror to see them clearly? Find out why in this QotW. Plus, we ask what's happening when spine-tingling sounds give you the shivers. Like this podcast? Please help us by supporting the Naked Scientists
11/28/20114 minutes, 8 seconds
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What happens when two black holes meet?

When two abnormalities in space time collide, what sort of mess are they likely to produce? Will we see it? Find out in this supermassive QotW! Plus, we ask why some objects stay blurry in the mirror. Like this podcast? Please help us by supporting the Naked Scientists
11/21/20115 minutes, 26 seconds
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Why don't umbilical cords become tangled?

Given that a foetus is essentially a swimming thing on the end of a piece of string, how is it that the two don't become tangled more often? Find out in this jelly-like QotW. Plus, we ask what would happen if two black holes met. Like this podcast? Please help us by supporting the Naked Scientists
11/15/20114 minutes, 19 seconds
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Do our pupils let in more light if we wear sunglasses?

The pupil of the eye dilates in low-light conditions. Does this mean that the same amount is let into the eye when we wear sunglasses? Plus, we ask if babies can tie themselves in knots. Like this podcast? Please help us by supporting the Naked Scientists
11/7/20114 minutes, 17 seconds
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Do humans have whiskers?

Many people across the world are able to grow moustaches and beards, but are these the same as whiskers? Find out in this hirsute QotW. Plus, we ask if eyes overcompensate when wearing sunglasses. Like this podcast? Please help us by supporting the Naked Scientists
10/30/20114 minutes, 8 seconds
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How can we avoid the effects of zero g?

Astronauts have to put up with living in zero gravity, so how might they go about avoiding its ill effects? Find out in this body-bending QotW. Plus, we ask if humans have whiskers. Like this podcast? Please help us by supporting the Naked Scientists
10/23/20114 minutes, 12 seconds
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Why don't black holes explode?

Black holes emit Hawking radiation and gradually reduce in size, so is there a critical mass at which a black hole can no longer support itself? Find out in this QotW. Plus, we ask how much gravity can keep a human healthy. Like this podcast? Please help us by supporting the Naked Scientists
10/16/20113 minutes, 56 seconds
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Can we make power from poo?

Human excrement burns quite well, so why not use it to power a house? But how could this be done? Find out in this fragrant QotW. Plus, we ask why black holes don't explode. Like this podcast? Please help us by supporting the Naked Scientists
10/9/20113 minutes, 25 seconds
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Do pregnant women breathe more?

Does being pregnant mean you have to breathe for two? Find the answer in this Question of the Week. Plus, we ask if poo power really is possible. Like this podcast? Please help us by supporting the Naked Scientists
10/2/20113 minutes, 51 seconds
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Why do cheese and wine go together?

Certain foods seem to complement each other while others grate; why is this? Is it a matter of personal taste, or is there some science behind it? Plus, we ask if pregnancy makes breathing harder work. Like this podcast? Please help us by supporting the Naked Scientists
9/25/20114 minutes, 3 seconds
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Is modern medicine affecting the human gene pool?

If babies are born by caesarian and modern medicine allows many more people to survive to adulthood, will the human gene pool be affected? We explore this huuuge question in a very concise Question of the Week. Plus, we ask why it is that wine and cheese complement each other so well. Like this podcast? Please help us by supporting the Naked Scientists
9/18/20114 minutes, 43 seconds
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How does a calculator work?

Calculators are rather speedy at subtracting, sums and deriving standard deviations. But how do they do it? We find out in this QotW. Plus, we ask if modern medicine is affecting the human gene pool. Like this podcast? Please help us by supporting the Naked Scientists
9/11/20114 minutes, 14 seconds
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Why do wet dogs smell?

If you've ever returned from taking the dog for a walk through rain, you'll probably be very aware of the terrible way it smells! But what is it that makes wet dogs smell so awful? We tackle this whiffy question. Plus, we ask how the blazes calculators work! Like this podcast? Please help us by supporting the Naked Scientists
9/4/20113 minutes, 43 seconds
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How do solar sails work?

Given that photons are massless, how do solar sails get pushed along by light? We explore the reasoning in this Question of the Week! Plus, we ask why wet dogs always seem to smell so appalling. Like this podcast? Please help us by supporting the Naked Scientists
8/21/20113 minutes, 4 seconds
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Do bubbles keep your bath warmer for longer?

Do bubbles act like insulation on the surface of your bath? Will it prevent the need for that toe-burning hot water top up? Find out in this QotW! Plus, we ask how solar sails stay aloft on simple sunlight... Like this podcast? Please help us by supporting the Naked Scientists
8/14/20114 minutes, 28 seconds
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Why do sandy footprints appear raised?

Why is it, that when you take photos of footprints in sand, they can sometimes appear raised? We tackle this holiday illusion in Question of the Week! Plus, we ask if bubbles in your bath can keep it warmer for longer. Like this podcast? Please help us by supporting the Naked Scientists
8/7/20113 minutes, 33 seconds
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What does non-coding DNA do?

Ever wondered what all that junk in your DNA trunk is doing? Find out in this QotW! Plus, we ask: what's the point of two sets of organs? Like this podcast? Please help us by supporting the Naked Scientists
6/19/20113 minutes, 29 seconds
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Are there more earthquakes now?

Is it true that there are more earthquakes now than in the past, and that they are more intense? We explore the problem in this Question of the Week. Plus, we ask if non-coding DNA has a purpose. Like this podcast? Please help us by supporting the Naked Scientists
6/12/20112 minutes, 47 seconds
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Why does cereal stick to the bowl?

Have you ever noticed how leaving bits of leftover breakfast cereal uneaten causes it to harden like cement to the side of the bowl? Why is this? We explore the science of cereal cement, with additional commentary from Dominic Ford. Plus, we ask if earthquakes are becoming more commonplace. Like this podcast? Please help us by supporting the Naked Scientists
6/5/20113 minutes
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When does wind chill turn to heating?

So you've felt those cold winds robbing you of your heat, but how fast do you have to go before they give it back? And why do planes stay cold when shuttles are hot? Find out in this QotW! Like this podcast? Please help us by supporting the Naked Scientists
5/29/20114 minutes, 47 seconds
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How much Fuel is too much Fuel?

Does a full fuel tank waste cash? Is there an optimum level to which you should fill your car's petrol tank so it doesn't just use the excess energy simply to carry the petrol around? Do vehicle manufacturers make the capacity of the petrol tank the perfect size with this in mind? Plus, passenger jets arrive cold, but spacecraft burn up - when does wind chill give way to frictional heating? Like this podcast? Please help us by supporting the Naked Scientists
5/22/2011