RT @ScienceNews: Scientists had long thought that repeated asteroid strikes sterilized Earth for hundreds of millions of years. But that may not be the case. https://t.co/bYYe7gYQG2

Scientists had long thought that repeated asteroid strikes sterilized Earth for hundreds of millions of years. But that may not be the case. https://t.co/bYYe7gYQG2

— Science News (@ScienceNews) February 1, 2018

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February 01, 2018 at 04:36PM
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