Rutger Bregman challenges ideas about the selfish gene, and survival of the fittest with stories of human co-operation and kindness as he publishes a book called Human Kind - A Hopeful History. Plus in Mental Health Awareness Week, Dr Sylvan Baker on rethinking the way we treat kids in care. And New Generation Thinker Christina Faraday on an anniversary of the fairground.

You can hear a curated selection of readings and music on the theme of travelling fairs and circuses on Radio 3's Words and Music programme broadcast Sunday afternoons at half past five and available for 28 days following on BBC Sounds https://www.bbc.co.uk/programmes/b04sv2wr

Producer: Robyn Read