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Paleontologists Discover New Mammal Fossils Hidden in Rocks
Hidden inside ordinary-looking rocks, an astonishing trove of fossils paints a dramatic 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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Intrepid paleontologists discover that dinosaurs thrived in the Arctic’s cold and dark.
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