Dinosaurs like T-rex may have had lips to protect their teeth
May 24, 2016
BBC UK | May. 23, 2016
New research suggests theropod dino teeth are too well preserved to have been exposed in a fierce grin all day. “When we see dinosaurs in popular culture, such as in the movie Jurassic Park, we see them depicted with big teeth sticking out of their mouths,” says Dr Robert Reisz from the University of Toronto. “We imagine dinosaurs as more ferocious looking, but that is not the case. Read more.