War and the environment, and Neanderthal-human interbreeding

Coming up, we assess the environmental and health impact of conflict in the Middle East. Plus, the gene variants that affect how heavily someone smokes, a medication called ruxolitinib that could help the vitiligo community, and a fascinating new study on interbreeding between Neanderthals and humans... Like this podcast? Please help us by supporting the Naked Scientists (thenakedscientists.com/donate)