T. Rex Had Formidable Arms

One of the most surprising misconceptions about dinosaurs is that Tyrannosaurus rex, aka T rex, had tiny arms. The king of the dinos indeed had small arms in modern depictions, but because T. rex stood 18-feet-tall, his arms measured around 3-feet. Popular Science magazine estimated that T. rex could curl 430 pounds, compared to a human’s max of 260. Host Elliott Morgan details more dinosaur misconceptions in this edition of Mental Floss.

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