The idea that T. rex's tiny arms were a consequence of its large, powerful skull isn't new – but a study of 85 theropod species pulls together some convincing numbers to back up the claim.
You wouldn’t say it to one’s face, of course, and it’s obvious that not everyone can bring a gun show like Deinocheirus… but those graspers do stand out as, well, rather puny.
“Its tiny arms probably couldn't do very much. How could they?” Professor ... [6221 chars]