In this episode of The Session, philosopher Dr Heather Dyke joins Tom Swarbrick to talk about how we understand the passage of time - and if time travel could actually be possible.

In this episode of The Session, AI expert Professor Oren Etzioni joins Tom Swarbrick to talk about how existing technologies are shaping our lives - and what AI technology might be able to achieve in future.

In this episode of The Session, neuroscientist Prof Morgan Barense joins Tom Swarbrick to talk about how our brains create memories and how those memories can change over time.

In this episode of The Session, astronomer Dr Jennifer J. Wiseman joins Tom Swarbrick to talk about her work at the Hubble Space Telescope - and the secrets of the universal it reveals.

In this episode of The Session, psychedelics researcher Dr Matthew W. Johnson joins Tom Swarbrick to talk about how and why attitudes towards drugs' medicinal benefits are changing.

In this episode of The Session, evolutionary biologist Dr Carole Hooven joins Tom Swarbrick to talk about how testosterone helps define who we are.

In this episode of The Session, astrobiologist Dr Sara Walker joins Tom Swarbrick to talk about how life actually began.