‘T. rex’ Mosasaur Ruled the Seas 80 Million Years Ago
Paleontologists have described a gigantic new species of mosasaur — stretching up to 13.2 m (43 feet) long…
Dinosaurs May Have Fed Their Young a Special Diet, Study Suggests
An analysis of wear on the fossilized teeth of the hadrosaurian dinosaur Maiasaura peeblesorum indicates their juveniles may…
Ancient Bite Marks Suggest Tyrannosaurs Were Not Just Hunters
New research led by Aarhus University paleontologists overturns the image of tyrannosaurs as pure apex predators. An analysis…
Scientists Discover Stem Cells That Could Regrow Teeth and Bone
A newly discovered pair of stem cell lineages drives the formation of both tooth roots and the bone…
Omnivorous, Rodent-Like Mammal Lived in Dinosaurs’ Shadow on Pacific Coast
Paleontologists have descibed a new species of the multituberculate mammal genus Cimolodon based on a fossil found in…
Early Platypuses Had Strong Teeth and Powerful Jaws, Fossils Show
New fossils from the Namba Formation of South Australia reveal that 25 million years ago, Obdurodon insignis —…
U.S. dentists still prescribe opioids at higher rates globally
People getting their teeth pulled or drilled by dentists in the United States are still much more likely…
Scientists Reconstruct One of Oldest Known Neanderthal Communities
Mitochondrial DNA (mtDNA) from eight fossils found in Stajnia Cave in Poland reveals a tight-knit group of Neanderthals…
Cola may quickly lower pH inside orthodontic clear aligners and shift oral bacteria within hours
A 24-hour microbiome study suggests that cola can rapidly disturb the aligner-tooth microenvironment, and that removing aligners before…
Neanderthals May Have Hunted Giant Elephants that Roamed across Prehistoric Europe
Chemical clues preserved in the teeth of straight-tusked elephants (Palaeoloxodon antiquus) from the 125,000-year-old site of Neumark-Nord in…
New strategy targets Porphyromonas gingivalis without harming healthy microbes
For years, treating gum disease has meant scraping away plaque, cutting out damaged tissue or turning to antibiotics…
307-Million-Year-Old Fossil of Plant-Eating Land Vertebrate Found in Canada
Tyrannoroter heberti, a new species of pantylid ‘microsaur’ from the Carboniferous period, shows that some of Earth’s earliest…