James Lovelock discusses his controversial theory that proposes Earth be seen as a single living organism and the consequences that this could have for its future. Show more

Sir Tim Hunt talks about his discovery of the mechanism of cell division and reveals his own opinions on the thought processes, logical and emotional, that led to it. Show more

Andre Geim reveals how his playful approach to research helped him uncover the properties of graphene, the world's thinnest material, and won him a Nobel Prize. Show more

Jenny Clack recounts how she overcame setbacks before she found and described a fossil which offered new evidence of how fish made the transition onto land. Show more

Professor Dame Jocelyn Bell Burnell describes how she discovered pulsars, the by-products of supernova explosions which make all life possible. Show more

Dawkins discusses his book, the Selfish Gene, which divided the scientific community and made him the most influential evolutionary biologist of his time. Show more