Anthropologists Duel Over Modern Human Origins

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Science  02 Mar 2001:
Vol. 291, Issue 5509, pp. 1728-1729
DOI: 10.1126/science.291.5509.1728

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LONDON-- Chris Stringer of London's Natural History Museum is a leading proponent of the "Out of Africa" theory, in which modern humans left Africa and swept around the globe, replacing already-settled human populations. But a staunch band of skeptics, led by Milford Wolpoff of the University of Michigan, Ann Arbor, holds to an opposing theory called multiregionalism, in which humans have always belonged to one species and have evolved together into today's modern form.