How far away are we from discovering alien life? And how long until we manage to create life in the lab? This episodes of Maths on the move explores these questions and more with one of our favourite astrophysicists, Mario Livio.
Physicist and cosmologist Paul Davies has made an unusual move into the infant discipline of astrobiology. He tells Plus about his interest in the big questions: what is life, how would we recognise aliens - and are they all around us?