As far as vacation destinations go, Antarctica isn't much. Most of its surface is covered by a layer of ice a mile thick, and it experiences the lowest temperatures ever recorded on Earth. But millions of years ago, it was a tropical paradise — compared to now, at least. At that point, it was covered not by ice, but by trees, and scientists are uncovering the fossil evidence of those long-dead forests today.
How Many Mass Extinctions Have There Been?
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Written by Ashley Hamer December 28, 2017
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