For the third episode in our series of the 'Best of Four Thought' talks that combine new ideas with personal experience, David Baddiel selects three speakers who all strike an optimistic note as they find hidden benefits in surprising places.

Emma Byrne, a science writer, says swearing can be good for us. Amber Dermont explains the advantages of an unhappy childhood. And Kamin Mohammadi thinks oppression by totalitarian regimes can spur extraordinary creativity.

Producer: Arlene Gregorius. Show less