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.
Click here for original story, Young T. rexes had a powerful bite, capable of exerting one-sixth the force of an adult
Source: Phys.org