Ask the Naked Scientists

Why is our peripheral vision so good in the dark? Why do we have goosebumps? Do UFOs exist and is there life on other planets? We explore the answers to these questions as well as investigate how bacteria know where to infect us, how our TV screens work, why we set our clocks back in winter and reveal if covering our bodies in salt would make us shrivel up like a slug! Like this podcast? Please help us by supporting the Naked Scientists

Why do cameras use batteries so quickly? Why does warmth help a battery last longer? How do humans survive lightning strikes? We tackle these questions as well as reveal how steel ships protect themselves from erosion, whether stainless steel really is stainless, investigate the different types of salt and discover how lie detectors work! Like this podcast? Please help us by supporting the Naked Scientists

Do Aliens Exist? Did Neil Armstrong really walk on the moon? What happens over the Bermuda Triangle? We take on these mysteries in this week's show as well as reveal if the earth is growing, why planes leave vapour trails and investigate whether deodorants are flammable. Like this podcast? Please help us by supporting the Naked Scientists

How do new elements enter the periodic table? How much does the earth weigh? Could Jupiter blow up? We tackle these explosive questions on this weeks show as well as reveal the workings of the internet and how it was created, investigate how the government could spy on our phone calls, and discover why our fingers go wrinkly in the bath! Like this podcast? Please help us by supporting the Naked Scientists

How do wasps reproduce? Do all spiders bite you? Why have some animals lasted many years without evolving? We take on these questions on this week's show as well as find out how helicopters fly, explain why kettles go silent before boiling, reveal how far radio signals can travel and discover how to get a boiled egg into a bottle! Like this podcast? Please help us by supporting the Naked Scientists

How do glowsticks glow? Do mobile phones have limited frequencies? How do 3D films work? We tackle these questions on this weeks show, as well as discuss the causes of heart attacks, why it's less windy at night and find out why our accents aren't always reflected when we sing. Like this podcast? Please help us by supporting the Naked Scientists

You ask Dave Ansell whether parallel universes are possible, how moons are formed around Saturn, what's new for car batteries, the existence of wormholesand how one might go about building an artificial brain. Like this podcast? Please help us by supporting the Naked Scientists

Why do astronauts feel weightless in space? What makes teenagers throw tantrums? Do mobile phones damage our health? We tackle these questions on this weeks show as well as reveal how jay birds find their food, how self-winding watches work and whether losing weight can help us avoide certain diseases. Like this podcast? Please help us by supporting the Naked Scientists

When do stars explode? How does shoe polish work? What happens if you float away from your spacecraft? Why can't we feel the Earth spinning? Dr Dave answers your questions in this week's ASK. Like this podcast? Please help us by supporting the Naked Scientists

We take a turn around gyroscopes, find out if it's better to run through the rain, identify the origins of yeast, chomp our way through the make-up of white chocolate and ponder the future of telecommunications. Like this podcast? Please help us by supporting the Naked Scientists