In this episode of The Session, the journalist and author Graham Hancock joins Tom Swarbrick to discuss his research into the origins of human civilisations - and his belief that an entire period of history before the last ice age has been forgotten by his colleagues.

Exploring Mars with Dr Bruce Banerdt

The Session with Tom Swarbrick will explore the frontier of human ingenuity and endeavour by asking the public’s burning questions about life as we know it.

Each episode will explore subjects ranging from who we are and why we are here, to whether time really exists and are we alone in the universe? In his quest for answers, Tom will interview neuroscientists, philosophers, physicists and engineers.

With a new topic explored each week, listeners can join Tom on a journey of discovery as he tackles some of the big questions of our time.