Culture, via language and cooperative behaviour, evolves hand-in-hand with our genes. So says Professor Mark Pagel, one of a new breed of evolutionary biologists using their expertise to shed light on human creativity. In this second part of the Thinking Big video series he discusses with science editor Clive Cookson what his work says about humanity's past – and future.
Filmed by Steve Ager and Seb Morton-Clark. Edited by Richard Topping. Produced by Seb Morton-Clark.