The Mystery of When Warm-Blooded Mammals Evolved May Finally Be Solved - ScienceAlert

As the first dinosaurs were finding their feet around 230 million years ago, the ancestors of modern mammals were also emerging. Somewhere along the way they developed a remarkable ability: to generate their own warmth.

As the first dinosaurs were finding their feet around 230 million years ago, the ancestors of modern mammals were also emerging. Somewhere along the way they developed a remarkable ability: to genera… [+4961 chars]

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