Young T. rexes Had a Powerful Bite

Young T. rexes Had a Powerful Bite
(AP Photo/Mary Altaffer)

Jack Tseng loves bone-crunching animals — hyenas are his favorite — so when paleontologist Joseph Peterson discovered fossilized dinosaur bones that had teeth marks from a juvenile Tyrannosaurus rex, Tseng decided to try to replicate the bite marks and measure how hard those kids could actually chomp down.

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