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Science 28 February 1997:
Vol. 275. no. 5304, pp. 1267 - 0
DOI: 10.1126/science.275.5304.1267

Research News

Richard A. Kerr

The end of the Paleocene epoch 55 million years ago was a puzzling time, in which tiny marine animals died, modern mammals suddenly appeared in North America, and isotopic signals indicate a shift in the global carbon cycle. Now a new mathematical model shows that a release of methane gas from the ocean floor could be at the heart of all these changes.

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