Naked Scientists

In this episode of Ask! The Naked Scientist, Dr Chris explains how our eyesight changes as we age, what the difference is between a brown and white egg shell, and the growing threat of antimicrobial resistance... Like this podcast? Please help us by supporting the Naked Scientists

Pamela wants to know whether the distribution of chemical isotopes is the same on other planets as it is on Earth. Take carbon, for example, 99% of which is carbon-12 on Earth while 1% is carbon-13? To find the answer, James Tytko asked Xander Byrne from the University of Cambridge's Institute of Astronomy... Like this podcast? Please help us by supporting the Naked Scientists

In this episode, why approaches to cancer care need a pro-active approach in future, the opportunities arising for the cancer vaccine space, competency-based medical training, the environmental costs of losing large animals, and why water resilience needs careful planning now... Like this podcast? Please help us by supporting the Naked Scientists

In this edition of The Naked Scientists: Sir Chris Hoy goes public with his terminal prostate cancer diagnosis; the World Health Organization has declared Egypt malaria-free; also, it's time to change the clocks in some countries. But what impact does it have on our perception of time? Like this podcast? Please help us by supporting the Naked Scientists

In this edition of The Naked Scientists, as NASA's Europa Clipper mission successfully blasts off towards Jupiter's moon, we look at how it leads the search for life in our solar system... Like this podcast? Please help us by supporting the Naked Scientists

David wants to know whether the intricate and varied spiders' webs seen in nature are a product of arachnid instinct, or something that is cultivated across their life. To get to the truth, James Tytko sought out spider expert Professor Sara Goodacre from the University of Nottingham... Like this podcast? Please help us by supporting the Naked Scientists

Listener science questions from South Africa answered by Dr Chris this time include: Do you urinate more liquid than the alcohol you consume? Why do dark skinned people get pigmentation underneath their armpits and between their thighs? What are the latest developments in helping restore vision to blind people? Like this podcast? Please help us by supporting the Naked Scientists

In this edition of The Naked Scientists: The new form of insulin that switches itself off before blood sugar falls too low; also, scientists suss out the origins of most of the meteors that fall to Earth; and why the longest lived patch of snow in the Scottish Highlands finally looks set to melt away... Like this podcast? Please help us by supporting the Naked Scientists

Dr Chris answers listener questions. Including, is air made up of the same proportion of stuff everywhere on Earth? What is earwax? Where is it produced and for what reason? How does time work at the North Pole? Why do strong perfumes cause sinus congestion? Like this podcast? Please help us by supporting the Naked Scientists

Jim writes in to say, 'Sometimes when I pinch near my knee, I will feel a tingling or tickling sensation behind one of my shoulder blades. What's up with that?' James Tytko found him an answer, with help from neuroscientist Dr Mark Hoon from the NIH... Like this podcast? Please help us by supporting the Naked Scientists