Author: Carolyn Gramling / Source: Science News
ALBUQUERQUE — Tyrannosaurus rex had a special way of crunching bones.
A lethal combination of a powerful bite, strong teeth and repeated crunching allowed these giant predators to pulverize the bones of their prey, researchers reported October 20 at the Society for Vertebrate Paleontology’s annual meeting.
Bones have a nutritious inner cavity containing marrow and phosphate salts. But to access those goodies, most bone crushers have to be able to clamp their jaws together to crunch through the dense outer protective layer of bone. Some carnivorous mammals, like spotted hyenas and gray wolves, can do this. But bone-crushing is unknown among living reptiles because…
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