Watching Steven Spielberg's Jurassic Park, audiences the world over have sat petrified on the edge of their seats as Tyrannosaurus rex, the most terrifying dinosaur of them all, bears down on Jeff Goldblum in his 4x4 vehicle.


It is a classic chase scene in modern cinematic history, with the rampant T-rex having somehow slipped past the electric fence and now engaged in hot pursuit of his quarry. But hold on a sec - could a T-rex actually move that fast, or even run at all?


New research published today by the University of Manchester reveals the sheer size and weight of T-rex means it couldn't move at high speed, as its leg-bones would have buckled under its own weight load. William Sellers, the lead researcher, doesn't want to spoil your fun but he has done some fancy computer modelling and come up with the following conclusions. Read