Sorry, Jurassic Park fans: Cutting-edge simulations suggest the mighty dinosaur wasn’t capable of more than a light jog. Contrary to popular belief, the tyrant lizard king was not built for speed. Instead, the mighty Tyrannosaurus rex was typically restricted to a brisk walk, according to a rigorous new computer model. The top speed of a T. rex has been a long-standing debate among paleontologists. Previously, the best estimates ...