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Science 23 February 2007:
Vol. 315. no. 5815, p. 1067
DOI: 10.1126/science.315.5815.1067a
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News of the Week

ARCHAEOLOGY:
Clovis Technology Flowered Briefly and Late, Dates Suggest

Charles C. Mann

On page 1122 of this week's issue of Science, researchers use new radiocarbon data to argue that Clovis culture, once thought to be the progenitor of all later Native American societies, may have flourished for as little as 2 centuries around 13,000 years ago. The dates put the Clovis technology a bit later than thought, making it harder to accept that it was the first in the Americas. (Read more.)

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