Harvard geneticist David Reich and his team are DNA testing the bones of ancient humans. Their explosive results are still coming in, but one thing is already certain: much of what we thought we ...

David Reich describes how the revolution in the ability to sequence ancient DNA has changed our understanding of the deep human past. This book tells the emerging story of our often surprising ...

Introduction -- Part I. The deep history of our species. How the genome explains who we are ; Encounters with Neanderthals ; Ancient DNA opens the floodgates -- Part II. How we got to where we are ...