New Marsupial Lineage Emerges from Australian Fossils
Paleontologists have described a new genus and three new species of small, insect-eating marsupials from the Early Miocene…
Researchers Solve the Mystery Behind a Billion-Dollar Dental Implant Disease
Corroded dental implants release titanium particles that disrupt immune defenses, causing chronic inflammation and bone loss. Blocking the…
‘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…
Baby teeth show when metal exposure may affect brain development
A child’s earliest exposures may leave lasting biological signatures. This study shows how tiny layers in baby teeth…
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 —…
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…
Stem cells from human primary tooth pulp may help treat chronic-phase cerebral palsy
Cerebral palsy is a condition usually caused by brain damage before or during birth, resulting in impaired posture…
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…
What our teeth reveal about the growing gap between rich and poor
Teeth are one of the most visible markers of poverty: structural circumstances that are individually borne. In an…
Is fluoridated water safe during pregnancy? Studies say yes
Analyzing nearly 11.5 million births across four decades, researchers use rigorous methods to show that fluoridated drinking water…
Researchers Sequence Genome of 200,000-Year-Old Denisovan
A research team led by Max Planck Institute for Evolutionary Anthropology scientists has generated the high-quality genome assembly…