Gut instinct

The Skeptic Editor Michael Marshall talks to Matthew Sweet about how we judge actions and truth. They're joined by New Generation Thinkers Elsa Richardson, who is a historian of the emotions at the University of Strathclyde working on a popular history of the gut-brain connection and digestion more widely, and Brendan McGeever, who teaches on sociology, racism and anti-semitism at Birkbeck, University of London.Producer: Julian Siddle

Om Podcasten

Leading thinkers discuss the ideas shaping our lives – looking back at the news and making links between past and present. Broadcast as Free Thinking, Fridays at 9pm on BBC Radio 4. Presented by Matthew Sweet, Shahidha Bari and Anne McElvoy.