The ‘Great Dying’ Nearly Erased Life On Earth. Scientists See Similarities To Today – NPR

The ‘Great Dying’ Nearly Erased Life On Earth. Scientists See Similarities To Today NPR

There was a time when life on Earth almost blinked out. The “Great Dying,” the biggest extinction the planet has ever seen, happened some 250 million years ago and was largely caused by greenhouse gases in the atmosphere. Now scientists are beginning to see alarming similarities between the Great Dying and what’s currently happening to our atmosphere. Scientists are highlighting that similarity in a new exhibit at the Smithsonian National Museum of Natural History in Washington, D.C. The crown jewel of the Deep Time exhibit is the museum’s first real Tyrannosaurus rex. Its skeleton stands o…

    

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