Ask the Naked Scientists

In a world of self drive cars would they have indicators? Why do you put sugar in before milk? Why are yawns contagious? How did butter come about? What's the limit of our brain capacity? Like this podcast? Please help us by supporting the Naked Scientists

How does a plane take off and fly without falling? Why are feathers more colourful than fur? Why don't teeth grow back? How do male seahorses carry babies? Plus, using mini organs to test cancer therapies. Like this podcast? Please help us by supporting the Naked Scientists

Can you change the pH of your blood? How does GPS work? What causes nosebleeds? Why do we find falling funny? Plus, the smallest geneome sequencer to date. Like this podcast? Please help us by supporting the Naked Scientists

How can I remove salt from my water? Why does bread go soft inside plastic bags? Will my ginger beer explode? Why does hose spray come out slower under water? Why do I jolt awake sometimes when I sleep? Plus...cutting whiskers off mice. Like this podcast? Please help us by supporting the Naked Scientists

What causes night cramps? Why is there a delay in audio and not video? How does a tortoise control its temperature? Does your heart stop when you sneeze? How deep is the ocean? Why do we go thirsty? Why do we find puppies cute? Plus, China successfully clones monkeys. Like this podcast? Please help us by supporting the Naked Scientists

My wife and I eat the same food but our farts smell differently - why? Can people who are born blind dream? Why are bricks the shape of bricks? How do I explain infinity? Why do astronauts grow in space? Like this podcast? Please help us by supporting the Naked Scientists

Is it true that elephants don't get cancer? Can science tell us how to be safe from tornadoes? Where does the rubber from tires end up? Why are tardigrades so amazing? How are sausage dogs so long? Does body size affect the perception of time? Like this podcast? Please help us by supporting the Naked Scientists

Why does the sound a kettle makes change as it boils? Does a hot drink cool you down more than a cold drink? How does rice remove water from a mobile phone? What would happen to someone born on Mars? Why can't you hear accents in singers? Plus, how pollution affects birth weight.See more at www.nakedscientists.com Like this podcast? Please help us by supporting the Naked Scientists

Is the brain at birth empty? Why is farting funny? Does raw garlic cause stomach cancer? Why is lightning jagged? Can you fold the Universe? Is space dark? What is the difference between dementia and Alzheimer's? Like this podcast? Please help us by supporting the Naked Scientists

How does aspirin help with a headache? Does microwaving your food affect its nutritional content? What happens to eye drop bottles during a flight? How can we stop waste medicines leaking into the environment? Is it safe to stand near a microwave when it is in operation? Can we tell when someone is looking at us? Plus, in the news, cancer cells' bacterial passengers that could be a new target for treatment. Chris Smith answers your questions with Eusebius McKaiser on South Africa's Talk Radio 702... Like this podcast? Please help us by supporting the Naked Scientists