(PhysOrg.com) -- McGill and University of Sao Paulo researchers identify new species of 70-million-year-old crocodile - with really big teeth and dog-shaped head.
(AP) -- A team of surgeons has carried out the world's first full-face transplant on a young Spanish farmer unable to breathe or eat on his own since accidentally shooting himself in the face five years ago.
(PhysOrg.com) -- Research by University of Kansas professor David Frayer shows that distinctive markings on fossilized teeth correlate to the right or left-handedness of individual prehistoric humans.
(PhysOrg.com) -- To survive in a tumultuous environment, sea urchins literally eat through stone, using their teeth to carve out nooks where the spiny creatures hide from predators and protect themselves from the crashing ...
Naidelys Montoya didn't wait for her son's baby teeth to fall out. She took the boy to an oral surgeon to have two of the loose ones extracted.
For human ancestors, eating could be hard work.
Surprised scientists have discovered the remains of a saber-toothed vegetarian.
The ischyromyids are the most primitive rodents that have a Holarctic Paleogene distribution. Members of the family are predominant in Paleogene rodents of North America, but are relatively rare in both Asia and Europe. In ...
Fossil teeth of African animals show that during the past 10 million years, different plant-eating critters began grazing on grass at different times as many switched from a salad-bar diet of tree leaves and shrubs, says ...
A reptile that lived 275-million years ago in what is now Oklahoma is giving paleontologists a glimpse of the oldest known toothache.