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

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