Fossil 'mother lode' records Earth-shaking asteroid's impact: study https://ift.tt/2CN6mNl https://ift.tt/2TM1JJh https://ift.tt/2TM1JJh https://ift.tt/2TKKBDF

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Submitted March 31, 2019 at 12:05AM by Flapjack_Ace https://ift.tt/2TKKBDF Flapjack_Ace