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TIME's The Brief TIMEnewsbrief

Lives on Earth : 3.2 Billion Years Ago

“Imagining that this really complicated process is so old, and has operated in the same way for 3.2 billion years, I think is fascinating,” lead author Eva Stüeken told UW Today. http://goo.gl/n5vW8v More From The Brief: time.com/newsletter/the-brief/ #FullNewsAudioAvailable

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