As Tim Peake is launched on his trip to spend 6 months on the International Space Station Claudia Hammond talks to Alexander Kumar, the doctor who has been to Antarctica to investigate the psychology of a human mission to Mars. How will the confined spaces, the dark and distance from planet Earth affect Mars astronauts of the future? Professor Philip Tetlock explains why his newly discovered elite group of so-called Superforecasters are so good at predicting global events. Claudia talks to MP James Morris about why some of his constituents are coming to him and his staff for help in a mental health crisis. He talks about the advice available for other MPs and constituency staff in the same situation. Claudia visits the South London and Maudsley Recovery college to find out how their educational courses are helping people in south London with their mental health.