The 'Great Dying' Nearly Erased Life On Earth. Scientists See Similarities To Today
It was the biggest extinction in Earth's history. A new Smithsonian exhibit notes that some of the same things that killed 90 percent of life 250 million years ago are happening now.
Đọc thêm tại NPR
at June 5, 2019 at 03:36AM
Health & Science
Thứ Tư, 5 tháng 6, 2019
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