Discover Wildlife on MSN
T.rex had absolutely tiny arms. We may finally know why – and it's all to do with its massive head
As the heads of giant, carnivorous dinosaurs got larger and stronger, their arms got smaller and ...
Terra Planet Earth on MSN
Scientists may have finally solved the mystery behind T rex's tiny arms
Scientists May Have Finally Solved the Mystery Behind T. Rex's Tiny Arms ...
A new analysis of fossils believed to be juveniles of T. rex now shows they were adults of a small tyrannosaur, with narrower jaws, longer legs, and bigger arms than T. rex. The species, Nanotyrannus ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results