Research at the University of Liverpool, using computer models to reconstruct the jaw muscle of Tyrannosaurus rex, has suggested that the dinosaur had the most powerful bite of any living or extinct terrestrial animal.
Archaeology
Feb 28, 2012
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(PhysOrg.com) -- 66 million years ago, the fearsome, meat-eating dinosaur Majungasaurus crenatissimus prowled the semi-arid lowlands of Madagascar. Its powerful jaws bristled with bladelike teeth, and its strong legs terminated ...
Archaeology
Jan 11, 2012
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Biologists have long assumed that all jawed vertebrates possess a full complement of nearly identical genes for critical aspects of their development. But a paper in the December 16 issue of Science with Benjamin King of ...
Biotechnology
Dec 15, 2011
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(PhysOrg.com) -- Many a parent has lamented the crowding of their children’s teeth indicating impending orthodontia bills, but few no doubt have wondered quite as deeply as Noreen von Cramon-Taubadel, an anthropologist ...
(PhysOrg.com) -- Erich Fitzgerald, an Australian paleontologist, believes he has found the missing link between ancient toothed whales that caught and ate fish and modern baleen whales that eat by sucking in huge volumes ...
Researchers at Johns Hopkins found that use over time and not just genetics informs the structure of jaw bones in human populations. The researchers say these findings may be used to predict the diet of an ancient population, ...
Evolution
Aug 5, 2011
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More than 99 per cent of modern vertebrates (animals with a backbone, including humans) have jaws, yet 420 million years ago, jawless, toothless armour-plated fishes dominated the seas, lakes, and rivers. There were no vertebrates ...
Plants & Animals
Jul 6, 2011
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Evolution has made its mark --- large and small -- in innumerable patterns of life. New research from Brown University shows chewing has evolved too.
Plants & Animals
Jun 27, 2011
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Paleontologists from the American Museum of Natural History and the Chinese Academy of Sciences announce the discovery of Liaoconodon hui, a complete fossil mammal from the Mesozoic found in China that includes the long-sought ...
Archaeology
Apr 13, 2011
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(PhysOrg.com) -- In the tropical rainforests of West Texas, which looked more like Costa Rica some 225 million years before cattle ranches and cotton fields would dot the landscape, it hunted by chasing and wrapping its tooth-filled ...
Archaeology
Jan 12, 2011
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