Dr Chris answers a wide range of listener science questions. What is entropy and how does it reconcile with equilibrium? What happens when they put dogs to sleep? Why can I read words when the vowels are removed? How do hair implants work? How does a bird find worms? Can birds see their own tails? Why do I cry when I have a bad cold? Like this podcast? Please help us by supporting the Naked Scientists

Why does your washing sometimes smell bad? What is the difference between forecast temperature and 'real feel'? Why can't other apes grow long head hair? What is the difference between a sprinter and a marathon runner? Why do Greenland sharks live so long? Can parrots see themselves in the mirror? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists

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

In the latest Naked Neuroscience, James Tytko brings you two new pieces of research involving the use of AI. First, how machine learning has been deployed to map out the visual system of a fruit fly in all its complexity, and how feeding a neural network a diet of quips from popular TV shows has produced the most effective sarcasm detector yet. Plus, David Robson outlines the strategies that will ensure you maintain strong social bonds, the topic of his latest book, 'The Laws of Connection.' Like this podcast? Please help us by supporting the Naked Scientists

In this episode of Naked Genetics: The risk factors between schizophrenia and substance use disorder have had a fresh genetic examination; I put Illumina to the test and ask, 'what difference does washing our hands really make?' And, the the extraordinary way in which dung beetles use the night sky to orientate themselves... Like this podcast? Please help us by supporting the Naked Scientists

Dr Chris answers listener submitted questions including: would it be possible to slingshot continuously around the Earth and Mars? When does our consciousness 'switch on?' How worried should we be if we're outside during a thunderstorm? Is 0 positive or negative? What maintains our body temperature? Like this podcast? Please help us by supporting the Naked Scientists

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

Was the Space Shuttle fundamentally flawed? Richard Hollingham talks to Adam Higginbotham, author of a new book on the Space Shuttle to discuss the design, the dream, and the wishful thinking that led to the Challenger and Columbia disasters. Sue Nelson visits London's Design Museum to visit a new Barbie exhibition and talk "Space Barbie". Also, discussions on the future of the International Space Station, Star Trek: The documentary, and betting on smarties. Like this podcast? Please help us by supporting the Naked Scientists

Thanks to Garth Jenkins from the University of Glasgow for the answer! Like this podcast? Please help us by supporting the Naked Scientists

Do women suffer from flatulence, and what affects your level of flatulence? Does hitting someone on the head actually knock them out? Is being a psychopath down to nature or nurture? Why does the weather stay warm when the seasons shift? Why can we only recycle some types of plastic? Can a swollen heart be reduced in size? Can nuclear rods power spaceships? Can mattresses and pillows reduce snoring? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists