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Science 8 March 1996:
Vol. 271. no. 5254, p. 1364
DOI: 10.1126/science.271.5254.1364
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Research News

Joshua Fischman

Two camps have been arguing--using both genes and fossils--over modern human origins for nearly a decade now. One claims that a million-year-old migration fanned across the globe, and humans arose in various regions. Another argues that a wave of moderns swept out of Africa within the last 200,000 years, replacing all pre-existing groups. Now on page 1380, an international team, in one of the largest studies to date of nuclear DNA, says the data hold new and informative patterns that trace all human travels back to Africa, perhaps 100,000 years ago. Yet, surprisingly, critics say the same data support the multiregional theory.




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Science. ISSN 0036-8075 (print), 1095-9203 (online)