Virologist Jonathan Ball talks to Jim Al-Khalili about his quest to disarm killer viruses.
Why do we have friends? Robin Dunbar tells Jim Al-Khalili.
Lunar geologist Katherine Joy tells Jim Al-Khalili why we need to go back to the moon.
How geneticist Turi King identified the 500 yr old skeleton of Richard III.
Astrochemist Ewine van Dishoeck tells Jim Al-Khalili about the space between the stars.
How Richard Thompson alerted the world to the micro-plastics in the ocean.
Dr Erica McAlister talks to Jim Al-Khalili about the beautiful world of flies.
Epidemiologist Richard Peto on the links between tobacco, disease and early death
Irene Tracey tells Jim Al-Khalili how imaging the brain reveals how and why we feel pain.
Physicist Paul Davies on the origin of life, aliens and the evolution of cancer.