While Tyrannosaurus rex was the badass of the Cretaceous Period, we get a kick out of poking fun at the dinosaur's tiny forelimbs. We wouldn't do that if it weren't long extinct. Those little "arms" weren't useful for much of anything as far as we know. Then again, we don't know everything about the animal.
MinuteEarth gives us some theories and possible ways that T. rex ended up with the short end of the foreleg game. Someday we might determine which it is. -
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