Tim Peake on his journey to becoming an astronaut and science in space

Jim Al-Khalili talks to Tim Peake in a special event recorded at London's Royal Society.

• 60 mins

Sir Magdi Yacoub on pioneering heart transplant surgery

Professor Sir Magdi Yacoub discusses his career at the cutting edge of transplant surgery.

• 28 mins

Tori Herridge on ancient dwarf elephants and frozen mammoths

Dr Tori Herridge on her fascination with Ice Age elephants and their evolutionary story.

• 28 mins

Doyne Farmer on making sense of chaos for a better world

Doyne Farmer on how predict the future to help prevent climate change and win at roulette.

• 28 mins

Jonathan Shepherd on a career as a crime-fighting surgeon

Surgeon Jonathan Shepherd on developing the Cardiff Model of Violence Prevention.

• 30 mins

Jacqueline McKinley on unearthing bones and stories at Britain's ancient burial sites

Jim Al-Khalili digs into the subterranean world of ancient bones with Jacqueline McKinley.

• 28 mins

Brian Schmidt on Nobel Prize-winning supernovae and the joys of making wine

Nobel Prize-winning astrophysicist Brian Schmidt talks supernovae studies and wine-making.

• 28 mins