Ever thought why don’t humans have tails? It certainly is one of the marathon questions that scientists themselves have been racking their brains about for years. Whereas most of the other species ...

They’re not monkeying around with this breakthrough. Researchers from New York University Langone Health may have finally learned how early humans took a major step away from predecessor primates in ...

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(CNN) -- Humans have many wonderful qualities, but we lack something that's a common feature among most animals with backbones: a tail. Exactly why that is has been something of a mystery. CNN — (CNN) ...