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 ...

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 ...

The meat of the book deals with the human populations that are present today and how they — we — got here. Work on this question also upended Reich’s expectations.

Massive technological innovations now allow scientists to extract and analyze ancient DNA as never before, and it has become clear--in part from David Reich's own contributions to the field--that ...

Who We Are and How We Got Here: Ancient DNA and the New Science of the Human Past, by David Reich, Oxford University Press, RRP£20/Pantheon, RRP$28.95, 368 pages ...