News of the WeekPaleontology

Ancient Weapon of Mass Destruction: Methane Gas?

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Science  29 Aug 2003:
Vol. 301, Issue 5637, pp. 1168
DOI: 10.1126/science.301.5637.1168a

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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.