Julia Clarke is a professor of paleontology and the lead author of a new study that may debunk the dinosaur's roar. She joins me now from KUT in Austin, Texas. Welcome to our program.

Julia Clarke is a professor of paleontology and the lead author of a new study that may debunk the dinosaur's roar. She joins me now from KUT in Austin, Texas. Welcome to our program.

Dr. Clarke adds that T-rexes did not typically open their mouths and roar like the movies depicted. “The Jurassic Park films have got it wrong,” said Dr. Clarke in another interview with BBC.