Peter Ward: Earth's mass extinctions
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http://www.ted.com Asteroid strikes get all the coverage, but "Medea Hypothesis" author Peter Ward argues that most of Earth's mass extinctions were caused by lowly bacteria. The culprit, a poison called hydrogen sulfide, may have an interesting application in medicine. TEDTalks is a daily video podcast of the best talks and performances from th... Read more
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- -: Peter Ward: Earth's mass extinctions
January 28, 2009 (about 15 years ago)http://www.ted.com Asteroid strikes get all the coverage, but "Medea Hypothesis" author Peter Ward argues that most of Earth's mass extinctions were caused by lowly bacteria. The culprit, a poison called hydrogen sulfide, may have an interesting application in medicine. TEDTalks is a daily video ...
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Mark Roth: Suspended Animation is Within our Grasp
February 1, 2010 (about 14 years ago)Mark Roth talks about a way of saving people's lives through de-animating them using hydrogen sulfide.
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