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Science 29 August 2003:
Vol. 301. no. 5637, p. 1168
DOI: 10.1126/science.301.5637.1168a
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News of the Week

PALEONTOLOGY:
Ancient Weapon of Mass Destruction: Methane Gas?

Erik Stokstad

What wiped out the vast majority of species on land and in the ocean 186 million years before Tyrannosaurus and company bit the dust? Two papers argue that methane gas did the dirty work--although they disagree about how.

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