(Phys.org) —A bizarre, pouched super-predator that terrorised South America millions of years ago had huge sabre-like teeth but its bite was weaker than that of a domestic cat, new research shows.
Once they developed a taste for grass, the ancestors of today's elephants swiftly broadened their leaf-only diet and placed their progeny on a new evolutionary track, a study said Wednesday.
(PhysOrg.com) -- After years of biting and chewing, how are human teeth able to remain intact and functional? A team of researchers from The George Washington University and other international scholars have discovered several ...
By precisely gauging the age of juvenile fossils, researchers show how early human ancestors were unique
For nearly a century, the debate has raged among evolutionary biologists: When working to understand how our early human ancestors developed, should juvenile fossils be thought of as fundamentally human or apelike?
Whitening strips and professional treatments aren't the only ways to keep your teeth pearly.
People with dented smiles run a far greater risk of dying of heart disease than those who still have all their pearly whites, a Swedish researcher said Monday.
(PhysOrg.com) -- A nasal spray shown to numb the upper jaw is set to be tested in an FDA Phase 3 trial, which will assess the spray's effectiveness compared to the current "gold standard" treatment -- painful anesthesia injections.
Rather than soothe and comfort, a hot cup of tea or cocoa can cause people with sensitive teeth a jolt of pain. But scientists are now developing a new biomaterial that can potentially rebuild worn enamel and reduce tooth ...
In the famed Sharktooth Hill Bone Bed near Bakersfield, Calif., shark teeth as big as a hand and weighing a pound each, intermixed with copious bones from extinct seals and whales, seem to tell of a 15-million-year-old killing ...