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Did a Supernova Kill Earth’s Megafauna 2.5 Million Years Ago?

Did a Supernova Kill Earth’s Megafauna 2.5 Million Years Ago?

ExtremeTech - Ryan Whitwam

By on December 13, 2018 at 7:30 am You may think there are some big animals on Earth today, but this is nothing compared with the Pliocene period a …

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