‘T’ for Teen T-Rex

The skull of the dinosaur known as Jane, with its sharp knife-like teeth
The skull of the dinosaur known as Jane, with its sharp knife-like teeth
Scott A. Williams

Wouldn’t it be neat if there had been a pint-size Tyrannosaurus? Well, sorry, but apparently there wasn’t. According to new research, skeletons that were thought to belong to a pygmy relative are actually from teenage T. Rexes. They’re still pretty interesting, though. read more

T-Rex’s Biological Air Conditioner

A thermal image of a T. rex with its dorsotemporal fenestra glowing on the skull
A graphic thermal image of a T. rex with its dorsotemporal fenestra glowing on the skull
Brian Engh

Thermal images of alligators taken by a team of scientists led by Casey Holliday, a professor of anatomy at the University of Missouri School of Medicine, suggest that the Tyrannosaurus rex may have had blood vessels in its skull that helped the giant predator to regulate its body temperature – in other words, a biological air conditioner. read more