Here's how Tyrannosaurus ended up with a big head and small arms
May 29 : Tyrannosaurus rex possessed a preposterously massive skull - 5 feet long (1.5 meters) and built to enable bone-crunching bite force - but presented preposterously puny arms. And many other meat-eating dinosaurs shared this mismatched combination of traits. So how did this come to be?Researchers study
29 May 10:02 · CNA