This week, we're asking would you risk your life to save someone else? Plenty of people do, and so do other animals and even bacteria. But why? And how did altruistic actions like this evolve? Plus in the news, scientists clone monkeys, the modified cold virus that selectively attacks pancreatic cancer, and why bees might be bad for other pollinators.
The Naked Scientists flagship science show brings you a lighthearted look at the latest scientific breakthroughs, interviews with the world's top scientists, answers to your science questions and science experiments to try at home.