David Reich

Who We Are and How We Got Here

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The past few years have seen a revolution in our ability to map whole genome DNA from ancient humans. With the ancient DNA revolution, combined with rapid genome mapping of present human populations, has come remarkable insights into our past.

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  • A gripping account, from the head of a world-leading lab, of the picture of human history and ancestry emerging from the revolution in the study of ancient DNA
  • Describes the evidence for ancient migrations and ghosts of long-lost populations, now revealed through comparing the genomes of ancient modern humans, archaic humans, and present-day populations
  • Considers what the latest research tells us about the often surprising ancestry of the people who now inhabit Europe, Asia, Africa, and the Americas
  • Shows how there are no ‘pure’ races: all modern human populations are mixtures of more ancient ones
  • Shares new insights into how human populations spread across the world, and makes a compelling argument that ancient DNA is fundamentally changing our picture of who we are

The past few years have seen a revolution in our ability to map whole genome DNA from ancient humans. With the ancient DNA revolution, combined with rapid genome mapping of present human populations, has come remarkable insights into our past. This important new data has clarified and added to our knowledge from archaeology and anthropology, helped resolve long-existing controversies, challenged long-held views, and thrown up some remarkable surprises.

The emerging picture is one of many waves of ancient human migrations, so that all populations existing today are mixes of ancient ones, as well as in many cases carrying a genetic component from Neanderthals, and, in some populations, Denisovans. David Reich, whose team has been at the forefront of these discoveries, explains what the genetics is telling us about ourselves and our complex and often surprising ancestry. Gone are old ideas of any kind of racial ‘purity’, or even deep and ancient divides between peoples. Instead, we are finding a rich variety of mixtures. Reich describes the cutting-edge findings from the past few years, and also considers the sensitivities involved in tracing ancestry, with science sometimes jostling with politics and tradition. He brings an important wider message: that we should celebrate our rich diversity, and recognize that every one of us is the result of a long history of migration and intermixing of ancient peoples, which we carry as ghosts in our DNA.

What will we discover next?

 

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Dimensions 19.8 × 12.8 cm
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