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Science 28 February 1997:
Vol. 275. no. 5304, pp. 1268 - 0
DOI: 10.1126/science.275.5304.1268
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Research News

Constance Holden

A Report on page 1281 presents new thermoluminescence dates on primitive stone tools from Siberia. The results suggest that early humans lived there as early as 260,000 years ago--long before anthropologists thought they were capable of surviving such a bitter climate.

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