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Science 1 May 2009:
Vol. 324. no. 5927, pp. 588 - 589
DOI: 10.1126/science.324_588b

News Focus

American Association of Physical Anthropologists:

Of Tools and Tubers

Ann Gibbons

According to a new analysis of stone tools and bones left behind near Lake Victoria in Kenya presented at the Paleoanthropology Society gathering, which met concurrently with the American Association of Physical Anthropologists meeting, as early as 2 million years ago, humans purposely selected the highest-quality stone and transported it more than 13 kilometers to an animal butchery site. A collaborating team also reported that these early humans, presumably Homo habilis or early H. erectus, used tools not only to deflesh carcasses but also to slice tuberous roots, possibly a key part of their diet.

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