science questions

We find out if it's possible to put an age on someone without a birth certificate. Given that cells regularly regenerate in the body, can you carbon date your grandmother? Plus, we ask if radio shows get doppler shifted. Like this podcast? Please help us by supporting the Naked Scientists

This week's question is all about energy! Do our bodies manage to harvest all the energy from food or do we miss a few calories here and there? Plus, we ask whose bite is worse, dog or human? Like this podcast? Please help us by supporting the Naked Scientists

In this lucrative Question of the Week we find out how paper notes and metal coins are minted and printed in the money making factories of the UK. Plus, we ask if and how subliminal CDs work... Like this podcast? Please help us by supporting the Naked Scientists

We investigate the toilet habits of the animal kingdom this week as well as taking a pot shot at which way a dirty golf ball swings in mid air, answering whether warmer waters attract more sharks and if there's a genetic basis to intelligence. We also get an update on what geologists studying the recent earthquake in Haiti are learning from information beamed back from space, and how a new tech-driven initiative called Crisis Camps is helping to streamline aid efforts after a catastrophe. Plus, laser-sensitive nanoparticles that can help to identify tumours, the genome of a 4000 year old man... Like this podcast? Please help us by supporting the Naked Scientists

How long to bones take to heal? Are healed bones stronger than they were before? How do glow worms glow? We tackle these bright questions on this week's show as well as reveal what a headache is, how to cure a hangover, the strength of atomic bombs and how trees and coral can tell us about past climates! Like this podcast? Please help us by supporting the Naked Scientists

How long to bones take to heal? Are healed bones stronger than they were before? How do glow worms glow? We tackle these bright questions on this week's show as well as reveal what a headache is, how to cure a hangover, the strength of atomic bombs and how trees and coral can tell us about past climates!

Can sea water keep roads frost-free? Why does the LHC need to be so cold? How does antifreeze work and what's the freezing point of beer? This week we run the risk of frostbite to tackle the coolest science questions as well as warming up in the hot tub to hear what household appliances devour the most power! We also find out how researchers are growing stem cells from umbilical cord blood, the scientific reason why a needle is so hard to find in a haystack, and how the smell of a fertile woman boosts a man's testosterone. Plus, do people really look like their pets? Like this podcast? Please help us by supporting the Naked Scientists

How the moon might make you behave badly, why snowstorms beget thunderstorms, the wrong sort of snow for trains, and whether tomato soup would be a warmer filling for radiators. Dr Dave tackles a festive crop of questions in this week's Ask! the Naked Scientists...

How the moon might make you behave badly, why snowstorms beget thunderstorms, the wrong sort of snow for trains, and whether tomato soup would be a warmer filling for radiators. Dr Dave tackles a festive crop of questions in this week's Ask! the Naked Scientists... Like this podcast? Please help us by supporting the Naked Scientists

How do we weigh the Earth, what's the basis of diabetes, does dandruff really trigger rain and clone alone - who would you make a copy of given the chance? Dr Chris pits his wits against these and other questions in this weeks edition of Ask the Naked Scientists. Like this podcast? Please help us by supporting the Naked Scientists

How do we weigh the Earth, what's the basis of diabetes, does dandruff really trigger rain and clone alone - who would you make a copy of given the chance? Dr Chris pits his wits against these and other questions in this weeks edition of Ask the Naked Scientists.

Why are dreams so hard to remember? In this Question of the Week, we find out why your night time imagination slips away as you wake and is gone before your first coffee! Plus, we ask how certain frogs can breathe without lungs, and can anything truly live forever? Like this podcast? Please help us by supporting the Naked Scientists

This week, we find out how Electric Eels avoid a self-shock when stunning their prey, and we ask some smelly questions; what gives an old book it's distinctive smell, and does a strong smell mean a lot of odour in the air, or do our noses play tricks on us? Like this podcast? Please help us by supporting the Naked Scientists

This week on the Naked Scientists we discover novel drugs in carnivorous plants, genes pointing to prostate cancer and a way to capture waste wattage whilst walking. We hear about the future of 3D TV, the bio fuel carbon debt and how Pirate Bay could be about to walk the plank! Also, we take on your questions, such as why do electric lights stay on in a flood, how do animals evolve camouflage and why does a fresh cut throb? Plus, we have a shocking question of the week about the workings of electric eels, and in Kitchen Science we find out how to tell which drink is diet! Like this podcast? Please help us by supporting the Naked Scientists

This week we find out why boomerangs keep coming back, and ask would a plane on a treadmill still take off, and who gets to the bottom of a hill first - a freewheeling fat or thin cyclist? Like this podcast? Please help us by supporting the Naked Scientists

This week, we take on your science questions, tackling the sticky subject of how glue works, the explosive potential of underground uranium and the problems with performance enhancing-football shirts. We look into gastroenteritis and find out how just one gram of vomit could infect one million people, and if that hasn't put you off your food, how acrylamide, found in toast and other tasty foods, may cause cancer. Plus, how the future of the paperback could be plastic, and in Kitchen Science we tell you the easy way to keep mirrors mist-free - using only soap! Like this podcast? Please help us by supporting the Naked Scientists