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Science 21 March 2008:
Vol. 319. no. 5870, pp. 1599 - 1601
DOI: 10.1126/science.319.5870.1599
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News of the Week

ANTHROPOLOGY:
Millennium Ancestor Gets Its Walking Papers

Ann Gibbons

An analysis on page 1662 of this week's issue of Science concludes that 6-million-year-old Orrorin tugenensis was indeed an early ancestor of humans. But it challenges a controversial proposal that Orrorin gave rise to our genus, Homo, directly.

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