For decades, a neat story about human origins has floated through textbooks and documentaries: modern humans emerged in East Africa, then spread south later. It’s clean, familiar, and easy to repeat.

The British geneticist Steve Jones has recently given a lecture at University College London entitled “Is human evolution over?” His answer to his own question is in the affirmative. I agree with ...

Overview : Conventional wisdom -- The Neanderthal within -- Agriculture : the big change -- Consequences of agriculture -- Gene flow -- Expansions -- Medieval evolution : how the Ashkenazi Jews got ...