World Service - Listen Live - BBC Sounds

Almost 40 years ago, the first treatment was approved for HIV, but it came with a warning: “This is not a cure.” On the week of World AIDS Day, Kate Bishop, principal group leader at the Francis Crick Institute, tells us how science may now have finally found a “functional” cure for the virus that causes AIDS. How are tree rings, volcanoes, trade routes and Europe’s deadly Black Death pandemic connected?…