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What if we told you that there was a time when oxygen almost wiped out all life on Earth? 3 billion years ago, when the world was a place you’d never recognize, too much of a good thing almost ruined everything for everybody.
This episode on the Oxygen Catastrophe is supported by Squarespace. If you visit squarespace.com and use offer code “eons”, you’ll get 10% off your first purchase.
Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios
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