Why did T rex have tiny arms? A new study may finally have the answer

An analysis of 85 dinosaur species shows that tiny forearms in meat-eating dinosaurs were the result of an evolutionary trade ...

Here's how Tyrannosaurus ended up with a big head and small arms

By Will Dunham May 29 (Reuters) - Tyrannosaurus rex possessed a preposterously massive skull - 5 feet long (1.5 meters) and built to enable bone-crunching bite force - but presented preposterously ...

Ever Wondered Why the T. Rex Had Such Small Arms? Scientists May Have Just Found an Answer

A new study has found that the T. rex's arms evolved to become smaller at the same time as its head grew to catch more prey ...

Why meat-eating dinosaurs like T. rex evolved tiny arms

The evolution of tiny arms in several groups of meat-eating dinosaurs was likely driven by the development of strong, ...
New Scientist on MSN

We may finally know why dinosaurs like T. rex evolved tiny arms

Five different groups of predatory dinosaurs independently evolved disproportionately small arms, and it seems they did so ...
THE WEEK

Why Tyrannosaurus rex has been cut down to size

“When you come for the king, you best not miss,” said New Scientist – “particularly if the king in question” is Tyrannosaurus rex, a nine-tonne dinosaur with “the biggest teeth of any known land ...