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Scientists Discovered the Brutal Reason T. Rex Had Those Tiny Shrimp Arms

I have a big head… and little arms.

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For as ferocious as the Tyrannosaurus rex is usually depicted in movies and pop culture, there’s one unfortunate fact preventing this massive prehistoric killing machine from becoming one of history’s all-time great real-life monsters: if you held it at bay with a stiff arm against its forehead, it physically could not punch you. Those tiny shrimp arms would just flap around uselessly several feet away from your body. Yes, eventually it would bite your arm off and eat you whole, but my point remains scientifically valid.

According to a new study published in Proceedings of the Royal Society B, detailed by Popular Science, researchers now think there’s an actual evolutionary reason explaining why the T. rex evolved those famously........

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