Palaeontology breakthrough as scientists discover reason why T-Rex had tiny arms

Scientists may have finally cracked one of palaeontology's most enduring puzzles: the Tyrannosaurus rex’s famously tiny arms. A new study by researchers at University College London (UCL) and the University of Cambridge suggests the answer lies not in the arms themselves, but in the dinosaur's extraordinarily powerful head. The research found smaller arms in meat-eating dinosaurs were closely linked to the development of large, robust skulls and jaws, rather than simply being a by-product of gro