When you look at a fossilized skull from the mighty Tyrannosaurus rex there are a few things you’ll immediately notice. For starters, it’s huge compared to the rest of its body, with almost cartoonish proportions. It’s also packed with massive, dagger-like teeth that could crush just about anything and, wait, what are those big holes for?
For years, the prevailing theory of why the T. rex had those large gaps in its skull was related to its complex jaw muscles. It was believed that dense muscles took up this space and aided the animal by providing an even more forceful bite. Now, a new study published in The Anatomical Record suggests that the holes had an altogether different purpose, and it was related to heat management.
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T. Rex skulls had built-in air conditioning originally appeared on BGR.com on Thu, 5 Sep 2019 at 14:02:37 EDT. Please see our terms for use of feeds.
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