Fellows of the Royal Society in all BBC programmes
Sir Gregory Winter, winner of the 2018 Nobel Prize for Chemistry
Donna Strickland, the first woman to win a Physics Nobel Prize in 55 years.
The 2019 Nobel Prize-winner Sir Peter Ratcliffe on living with low oxygen.
Adrian Owen tells Jim Al-Khalili about his search for awareness in brain-injured patients.
Professor Andy Fabian on supermassive black holes and their dramatic hold over galaxies.
Professor Corinne Le Quéré talks to Jim Al-Khalili about tracing global carbon.
Why the world needs more plant scientists. Prof Dale Sanders talks to Jim Al-Khalili.
Demis Hassabis tells Jim Al-Khalili why he wants to create artificial intelligence.
Jim Al-Khalili talks cloning with the creator of Dolly the sheep, Ian Wilmut.
Physicist Jim Al-Khalili tells Adam Rutherford what motivates and inspires him.
Mike Stratton talks about searching for cancer genes with Jim al-Khalili.
Epidemiologist Richard Peto on the links between tobacco, disease and early death