What can genetics and palmistry tell us about how we understand identity, character and health? Adam Rutherford is joined by Professor of Zoology Matthew Cobb; the historian Professor Alison Bashford and the geneticist Charlotte Houldcroft.

Matthew Cobb discusses his biography Crick: A Mind in Motion. From the discovery of DNA’s structure to Francis Crick’s later work on consciousness, Cobb reveals a restless thinker whose collaborations — with scientists, artists and poets — shaped some of the most profound ideas of the 20th century.

Alison Bashford turns to palm reading in her new book Decoding the Hand, a history of palmistry and its surprising entanglement with science, medicine and magic.

The geneticist Charlotte Houldcroft's research uses ancient DNA to work out how DNA viruses - such as smallpox and herpes - change over time and the consequences of this evolution for our immune systems.

Producer: Natalia Fernandez