Naked Scientists

Why do some people struggle to read? Are more male babies born after a war? Are some people allergic to hot skin? Why do some men's breasts swell up? Why do we use different frequencies for different broadcasts? Why do traffic lights go red when you're in a hurry? Dr Chris Smith and Relebogile Mabotja have all the answers... Like this podcast? Please help us by supporting the Naked Scientists

When listener Suzy is taking pictures of the night sky, she makes use of longer shutter speeds to capture more light to get better images of stars. That got her thinking, do human eyes also have a shutter speed? James Tytko took up the question... Like this podcast? Please help us by supporting the Naked Scientists

Why do some people grind their teeth? Can someone's heart keeping beating when they're dead? How does the brain interpret words? How do we know how long something has been dead for? Dr Chris Smith and Relebojile Mabotja have all the answers... Like this podcast? Please help us by supporting the Naked Scientists

Thanks to Dana Mackenzie for the answer! Like this podcast? Please help us by supporting the Naked Scientists

How much do wildfires contribute to carbon release? How do bones heal themselves? Why do weeds seem to grow faster than other plants? Why do some animals float, but others sink? Why do ducks like spinach? How did we evolve different blood types? Why do some people's temperature go down when they're feeling ill? How many of our metals come from space? Why do snails come out in the rain? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists

Former paralympic athlete, surgeon and European Space Agency (ESA) reserve astronaut, John McFall joins Sue Nelson and Richard Hollingham to share his experiences of the Fly study to investigate whether people with physical disabilities could become astronauts. Also on the show, astronaut Tim Peake, who now has a new role at Axiom Space, Saxa Vord CEO, Frank Strang, and director of operations, Scott Hammond, discuss how they are building a spaceport in Shetland... Like this podcast? Please help us by supporting the Naked Scientists

What is monkeypox, and how can we tackle it? Why can't you walk through walls if atoms are mostly empty space? If X-Rays are harmful, why are microwaves and infrared not harmful? What are the benefits of the Large Hadrin Collider? Does taking Vitamin C harm your immune response? Dr Chris Smith and Clarence Ford have all the answers... Like this podcast? Please help us by supporting the Naked Scientists

In this week's Question of the Week, listener James writes in to ask, is it just him, or does spider silk feel really strange? James Tytko took on the question with Professor of Evolutionary Biology and Genetics at the University of Nottingham, Sara Goodacre, and entomologist at Western Sydney University, Eleanor Drinkwater... Like this podcast? Please help us by supporting the Naked Scientists

In this episode of Naked Genetics: A mammoth discovery in ancient DNA structure; on the subject of ancient DNA, what can we sequence for a centuries old body? And, in quirks of evolution, the animal that drinks its own offspring's blood... Like this podcast? Please help us by supporting the Naked Scientists

Will we ever run out of helium? Will any planets in the solar system get knocked out of orbit? What causes ovulation pain? Is it wise to pop a zit? Why are two astronauts stuck in space? Have we re-invented lost inventions? Dr Chris Smith and Sara-Jayne Makwala King have all the answers... Like this podcast? Please help us by supporting the Naked Scientists