The plan to beam-in solar power from space, ways to incentivise sharing trustworthy material on social media, and do ill fish run a fever like we do? Like this podcast? Please help us by <a href="https://www.thenakedscientists.com/donate">supporting the Naked Scientists</a>

40 years of HIV

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.