Tyrannosaurus Rex Was a Warm-Blooded Dinosaur, With a Body Temperature Similar to That of Humans, Study Suggests: A tooth analysis hints that the fearsome predator ran at a toasty 97 degrees Fahrenheit.… @SmithsonianMag #TyrannosaurusRex #Dinosaurs #Paleontology #CretaceousPeriod #WarmBlooded
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