A sweet truth: the history and science of sug...

Today, we explore a Japanese mission to return a sample from Phobos. What might the project tell us about Mars's moons? Plus, Mariam Jamal-Hanjani at Cancer Research UK on Pope Leo's lung cancer diagnosis and treatment; scientists develop a DNA typewriter to track where all the c ...  Show more

Today, what causes ageing, and why some animals age faster than others. Joao Pedro Magalhaes discusses ageing biochemistry; Noah Snyder-Mackler links "jumping genes" to shorter lifespans in big dogs; Stephen Clark introduces Jonathan, the 194-year-old tortoise; and Andrew Steele ...  Show more

Today Dr Lucy and Dr Karl are joined by special guest astrophysicist Professor Geraint Lewis to answer all your questions from around the cosmos. Can you get moonburnt? Could we ever move at the speed of light? How did the big bang happen? What's on the other side of the universe ...  Show more

What's going on with microbes? What happens when an astronaut sneezes in space? Why do we have toes? Should I dress fancier? Why aren’t there drones on Mars? Do you get lighter every time you fart? What do I do about the poster I don’t understand? Why do animals live for differen ...  Show more

Dr Chris Smith and the Naked Scientists with science news, stories & analysis.