Paabo (director, dept. of genetics, Max Planck Inst. for Evolutionary Anthropology, Leipzig) presents a scientific memoir of his—and his colleagues'—work in paleogenetics as they seek to learn more about those humans who populated the Northern Hemispheres before we did: Were Neanderthals our ancestors? He relates the progress of his own career in DNA studies from his native Sweden to Germany to the University of California, Berkeley, and eventually to the recently founded Max Planck Institute in Leipzig, as he describes challenges and accomplishments in finding and identifying ancient DNA. Along the way, readers behold the complex web of cooperation and competition among scientists, the politics of submission to the top journals, and the ego in assigning species status to a discovery, as well as Paabo's lack of faith in paleontologists: they develop evolutionary theories from bone morphologies, while Paabo's ilk seek the realities of the DNA story. Yet it's clear that the retrieving, amplifying, and sequencing of ancient DNA are fraught with their own potentials for error. The technicalities of paleogenetics deepen as the chapters progress. Some readers may be forgiven if they skip ahead to the final two chapters, where the drama of Denisovan discoveries is palpable.
VERDICT Scientific understanding of earlier humans is fast evolving. For the nonce, this is a go-to volume on the subject for serious readers. (P.S. In spite of the title, the DNA of Neanderthal women is crucial—as Paabo well knows!)
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