A wide variety of animals have tusks, from elephants and walruses to five-pound, guinea pig-looking critters called hyraxes. But one thing tusked animals have in common is that they're all mammals—there are no known fish, ...
A new U of T study has discovered the oldest known cavities ever found in a mammal, the likely result of a diet that included eating fruit.
Ancient hunters stayed in the coldest part of Northern Europe rather than migrating to escape freezing winter conditions, archeologists have found.
University of Wisconsin–Madison researchers have developed a safer and more efficient way to deliver a promising new method for treating cancer and liver disorders and for vaccination—including a COVID-19 vaccine from Moderna ...
Cavities, or dental caries, are the most widespread non-communicable disease globally, according to the World Health Organization. Having a cavity drilled and filled at the dentist's office can be painful, but untreated caries ...
Two million years of eating meat and cooked food may have helped humans shift further from other great apes on the evolutionary tree. The evidence is in our saliva, according to new research from the University at Buffalo.
Periodontitis affects nearly half of Americans ages 30 and older, and in its advanced stages, it could lead to early tooth loss or worse. Recent studies have shown that periodontitis could also increase risk of heart disease ...
An Otago researcher has added another piece to the puzzle of the evolution of modern baleen whales with a world-first study examining the teeth and enamel of baleen whales' ancestors.
The star of the show is a dark gray block, about the size of a textbook, and several inches thick. As an audience of reporters watches, an engineer runs a flaming blowtorch over the block until its face heats to a red glow.
Combine a diet high in sugar with poor oral hygiene habits and dental cavities, or caries, will likely result. The sugar triggers the formation of an acidic biofilm, known as plaque, on the teeth, eroding the surface. Early ...
