Without a doubt, Tyrannosaurus rex is the most famous dinosaur in the world. The 40-foot-long predator with bone crushing teeth inside a five-foot long head are the stuff of legend. Now, a look within the bones of two mid-sized, immature T. rex allow scientists to learn about the tyrant king’s terrible teens as well.

The skull of the juvenile T. rex, “Jane”, was slender with knife-like teeth, having not yet grown
big enough to crush…

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Source: archeo