The Space Boffins talk surgery in space with a real life Dr McCoy, NASA astronaut and physician Michael Barratt, and report from a school in St Albans during Tim Peake's first ham radio contact with UK students. A member of the European Space Agency's 60 day bedrest study explains how he's helping astronauts by lying down and the studio guest is Mark Craig, British director of the documentary about Apollo astronaut Gene Cernan - Last Man on the Moon - which is about to have its first cinema release in the United States. Like this podcast? Please help us by supporting the Naked Scientists