11 Moments Scientists Completely Rethought Everything They Knew About T-Rex
For most of the 20th century, paleontologists thought they had T. rex figured out. Big. Scaly. Upright. Slow-brained. A lumbering predator with laughably useless arms that somehow ruled the Cretaceous anyway. Museums built entire wings around that image. Hollywood turned it into a billion-dollar monster. And then, one fossil at a time, the whole picture ...











