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Paleontologists Discover New Mammal Fossils Hidden in Rocks

Stunning new mammal fossils were hiding in plain sight.

Publish Date: Topic: EvolutionEvolutionNova

Hidden inside ordinary-looking rocks, an astonishing trove of fossils reveals a dramatic new picture of how rat-sized creatures ballooned in size and began to evolve into the vast array of species—from cheetahs to bats to whales to humans—that rule our planet today.

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