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2019-10-03, 19:15
Researchers unearth 'new' mass-extinction
A team of scientists has concluded that earth experienced a previously underestimated severe mass-extinction event, which occurred about 260 million years ago.
https://www.sciencedaily.com/releases/20...105555.htm
A team of scientists has concluded that earth experienced a previously underestimated severe mass-extinction event, which occurred about 260 million years ago.
https://www.sciencedaily.com/releases/20...105555.htm