![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2014/03/reviews_todo.jpg?fit=860%2C480&ssl=1)
BIG MOUTH A cast of a T. rex skull will be on display at the National Museum of Natural History in Washington, D.C. starting April 15.
Donald E. Hurlbert/Smithsonian
BIG MOUTH A cast of a T. rex skull will be on display at the National Museum of Natural History in Washington, D.C. starting April 15.
Donald E. Hurlbert/Smithsonian