HORIZON: What Makes Us Human? (BBC2)

Professor Alice Roberts, pregnant with her second child, investigates what separates us from our closest living relatives.

We share 99% of our DNA with chimpanzees, and yet, from the moment of birth, our lives are completely different. What is it about our bodies, our genes, and ultimately our brains that sets us apart from our furry cousins?

BBC Factual for BBC2 • 2013 • 60mins • writer/producer/director
Executive Producer: Aidan Laverty