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The Silurian Hypothesis: What Traces Of Humanity Will Be Left 50 Million Years From Now?The Silurian Hypothesis contemplates how long the ruins of a civilization would be detectable, on Earth or even other worlds, ...
The Paleozoic era's Silurian period saw animals and plants finally emerge on land. But first there was a period of biological regrouping following the disastrous climax to the Ordovician.
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