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Alternative models of Pleistocene biocultural evolution: a response to Foley

Human origins research has had a long history of vigorous debate. Recent discussion has been no exception, the more so perhaps as the strands of evidence — anthropological, archaeological, and now molecular-biological — are sufficiently diverse that not many can be well placed to deal fairly with them all. Here issue is taken with Foley's cladistic view of human evolution, and with the ‘Garden of Eden’ hypothesis of a single source in Africa for modern human populations.