University of Alberta researchers discover T. Rex had scales

The first-ever discovery of fossil skin from Tyrannosaurus rex shows the giant carnivores had scales. The skin fossils were found in Alberta and South Dakota by a team of international researchers, which included paleontologists at the University of Alberta. Gord Steinke sits down with U of A paleontologist Scott Persons to talk about the discovery.

• What does a T. Rex feel like? U of A paleontologists find out in new fossil discovery