A new theory of the Permian/Triassic extinction 250 million years ago suggests that halogenated gases resulting from giant salt lakes altered the atmosphere enough to affect land-based vegetation.
Tuesday, March 31, 2009
New Theory of Extinction
A new theory of the Permian/Triassic extinction 250 million years ago suggests that halogenated gases resulting from giant salt lakes altered the atmosphere enough to affect land-based vegetation.
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