The Evolution of a New Kind of Predator The Tyrannosaurus rex's diminutive arms have long been a subject of fascination among paleontologists.
Research suggests that these tiny limbs may not be a quirk of evolution, but rather an adaptation to changing dinosaur hunting strategies.
Scientists from University College London and the University of Cambridge found a correlation between reduced forelimbs and the development of massive, powerful skulls and jaws in multiple dinosaur groups.