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Did Bacteria Fuel World's Worst Extinction?

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F6 Member Level  Wednesday, 12/12/12 11:52:32 PM
Re: F6 post# 189664
Post # of 229264 
Did Bacteria Fuel World's Worst Extinction?

Nickel-eating bacteria may have worsened the mass die-off some 250 million years ago, scientists suggest. (Shown here, International Space Station astronaut Ron Garan captures one of the 16 sunrises they see each day, on Aug. 27, 2011.)
05 December 2012
http://www.livescience.com/25253-bacteria-permian-extinction.html [with comments]

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