T. rex’s Long Legs Were for Marathon Walking

With its massive, chomping jaw and fierce expression, Tyrannosaurus rex may be the most fearsome dinosaur of all. Scientists generally assumed that with their long legs, T. rexes could run at top speed to catch prey. But some researchers now think that the dinosaur’s long legs were more for endurance and efficiency than for running.Continue reading “T. rex’s Long Legs Were for Marathon Walking”