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Science 17 October 2003:
Vol. 302. no. 5644, p. 375
DOI: 10.1126/science.302.5644.375
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News of the Week

GEOSCIENCES:
A Call for Telling Better Time Over the Eons

Richard A. Kerr

WASHINGTON, D.C.--At a workshop held here early this month at the National Museum of Natural History, geochronologists called for an unprecedented effort to calibrate the geologic time scale.

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