Tyrannosaurus rex teeth suggest a body heat comparable to an elephant’s, sharpening warm-blooded debate
Tyrannosaurus rex was once assumed to be a slow, lumbering reptile that needed the warmth of the sun…
Fossil tooth analysis confirms Tyrannosaurus rex was warm-blooded
Fossil tooth analysis confirms Tyrannosaurus rex was warm-blooded Scientists have suspected for nearly 60 years that Tyrannosaurus rex…