Why do we have sex?
Why do we have two sexes, and not 5 or 500?
Why do we give birth and why do we die?
In the last 20 years a new body of evidence has emerged to get us closer than ever to answering some of our most fundamental questions.
What questions do we ask next?
Dr. Nick Lane is a biochemist and Author of The Vital Question: Energy, Evolution, and the Origins of Complex Life
First Aired: 19 September 2015
