Could a light in your brain cure epilepsy, or send you to sleep? The Naked  Scientists investigate the mysterious field of optogenetics, and the  treatments it promises to bring. Plus, news of a cancer-detecting artificial intelligence and  a vaccination to fight fake news. Like this podcast? Please help us by <a href="https://www.thenakedscientists.com/donate">supporting the Naked Scientists</a>

Can we Create Artificial Gravity?

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.