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Science 10 August 2007:
Vol. 317. no. 5839, p. 733
DOI: 10.1126/science.317.5839.733
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News of the Week

HUMAN EVOLUTION:
New Fossils Challenge Line of Descent in Human Family Tree

Ann Gibbons

This week in Nature, paleoanthropologists describe a surprisingly recent upper jawbone of Homo habilis and an older skull of H. erectus that challenge the conventional theory that H. habilis gave rise to H. erectus between 2 million and 1.6 million years ago.

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