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Originally shared by John BaezOne of my biggest heroes has died: the revolutionary biologist Lynn Margulis. Learn what she did and watch some videos of her here.![](http://upload.wikimedia.org/wikipedia/commons/thumb/8/86/%C3%9Cberseemuseum_Bremen_2009_238.JPG/320px-%C3%9Cberseemuseum_Bremen_2009_238.JPG?w=300&h=300)
Lynn Margulis, 1938-2011
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+1'd by: Boril Gourinov
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