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Mammals and Dinosaurs Once Shared the Earth

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Mammals and Dinosaurs Once Shared the Earth A new study published in the latest issue of the esteemed scientific journal Biology Letters indicates that placental mammals existed when dinosaurs still roamed the Earth. Previous studies argue that these creatures only developed after the Cretaceous–Paleogene (K-T) extinction event, 65 million years ago.  This extinct... Reported by Softpedia 18 hours ago.

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