Food science, ancient human genes, and dark comets

In the news pod, Chris van Tulleken tells us what he's got planned for this years Royal Institution Christmas Lectures. Then we hear about the innovation to harness energy from radioactive carbon-14 atoms, and learn more about when humans and Neanderthals got to know each other. Then, we look skyward, where astronomers have described a series of mysterious near-Earth objects similar to the famous Oumuamua... Like this podcast? Please help us by supporting the Naked Scientists