T-RexFossils prove T. rex was the ruthless ruler of the Cretaceous period, built like a cutthroat killer nobody wanted to mess with. You might have heard the stats: 40 feet long. 12 feet high. 12 inch serrated teeth each one the size of a banana And a lethal bite force that destroyed bones with a single effortless crunch. But it wasnt always that way for the T. rex This king of the dinosaurs was originally a puny runt. No bigger than a pigeon. And heres