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Sheril Kirshenbaum /
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2023-11-25 04:12:52

Sheril Kirshenbaum on Nostr: About 250M years ago, 90% of species on Earth died during the Permian extinction. All ...

About 250M years ago, 90% of species on Earth died during the Permian extinction. All of that loss created a lot of vacant niches to fill. And not long after, the first mammals, our ancestors, appeared.

Life on this pale blue dot will continue to be resilient - whether or not we’re part of it. #Thanksgiving #science #history

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