Human Instinct: BBC4 Debate Available to digital and cable TV subscribers, and also streamed on the web,

the final part of the BBC's Human Instinct series features a debate with scientists Professor Robin Dunbar of the University of Liverpool and Professor Marcus Pembrey of the Institute of Child Health in London.

Joan Bakewell will present the programme, which gives scientists from either side of the nature versus nurture divide an opportunity to answer the most relevant questions raised by the Human Instinct series.