Discovering the secrets of DNA

Available for over a year

James Watson and Francis Crick first published their discoveries about the structure of DNA on 25 April 1953. Their findings were to revolutionise our understanding of life. We hear archive recordings of their memories, 70 years on. This programme, presented by Louise Hidalgo, was first broadcast in 2010. (Photo: James Watson and Francis Crick. Credit: Getty Images)