We are what we ate

Bernard Wood () and Alison Brooks
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Bernard Wood: George Washington University
Alison Brooks: George Washington University

Nature, 1999, vol. 400, issue 6741, 219-220

Abstract: A little under two million years ago there was a significant innovation in human evolution. This ‘grade shift’ betweenAustralopithecus and Homowas marked by an increase in body size and a commitment to walking on two legs. These changes were thought to be set off with the advent of hunting, but a new hypothesis contends that they were, in fact, due to systematic foraging for roots and tubers.

Date: 1999
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DOI: 10.1038/22227

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