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How did mammals grow so large after dinosaurs died off?

How did mammals grow so large after dinosaurs died off? According to a new study, the answer all boils down to ecology. The herbivores grew large first, perhaps because they had an advantage in eating the vegetation left flourishing after the plant-eating dinosaurs were gone. Just like with today's lions

Charles Darwin’s ecological experiment

200 years ago Charles Darwin changed the face of Ascension Island in a unique ecological experiment that could hold the secret to colonizing Mars. Ascension was an arid island, buffeted by dry trade winds from southern Africa. Devoid of trees at the time of Darwin and Hooker's visits, the little

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