Kevin Fong is a consultant anaesthetist at University College Hospital in London. He's a stalwart of this programme and is usually here to talk about astronauts or space medicine. But today he is talking about something much closer to his day job: he has made a TV documentary for the BBC, Back from the Dead, about the use of extreme cooling in hospitals.
One evening last week the Natural History Museum threw open its doors so that members of the public could meet the scientists who work behind the scenes. The Guardian's Jon Henley took the opportunity to meet two of the forensic scientists who help the police identify human remains.
Plus, Monica Desai caught up with Jessica Grahn, a research scientist at the Medical Research Council's Cognition and Brain Sciences Unit. Dr Grahn has been researching the neural mechanisms of rhythm processing.
Monica started by asking her why humans developed rhythm and music.
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