T. rex was a deadly ‘power-walker’

By Mindy Weisberger Tyrannosaurus rex may have been the world’s first power-walker, using its lengthy legs to relentlessly pursue fleeing prey, new research has found. Walking, the scientists discovered, would have been an energy-efficient hunting strategy for big dinosaurs like tyrannosaurs. To better understand walking and running in T. rex and other theropods, or meat-eating dinosaurs, scientists measured metrics such …