The Tyrannosaurus rex is often shown baring massive, sharp teeth, like the ferocious creature in “Jurassic Park.” But new research suggests that this classic image might be wrong.
The teeth on T. rex and other big theropods were likely covered by scaly lips, concludes a study published Thursday in the journal Science. The dinosaur's teeth didn't stick out when its mouth was closed, and even in a wide open bite, you might just see the tips, the scientists found.
