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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Peter Ward: Peter Ward on Earth's Mass Extinctions
February 1, 2008 (about 16 years ago)Paleontologist Peter Ward talks about the prevalent theories behind Earth's mass extinctions, and the valuable lessons they may hold for mankind in the face of climate change.
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