Calcium deposits on teeth, known as tartar, need to be removed by a dentist because brushing alone won't get rid of them. Dentists remove tartar using scaling and polishing techniques to clean and ...

Calcium scans can detect calcium deposits in coronary arteries to assess heart disease risk. The scan is most useful for ...

A cave in the Dominican Republic concealed thousands of years worth of animal bones that had been turned into nests by prehistoric bees. Scientists believe the hollowed out tooth sockets of fossilized ...

About 20,000 years ago, a family of owls lived in a cave. Sometimes, they would cough up owl pellets containing the bones of their prey, which landed on the cave floor. And, researchers have just ...

We are mindful that opinion is growing about whether this is caused by the eye itself or a new factor called type III ...

Wisdom teeth removal helps prevent dental problems like pain and infection. This surgery often involves the removal of impacted teeth. Why Do Wisdom Teeth Need Removal? Wisdom teeth are the last of ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

About 20,000 years ago, a family of owls lived in a cave. Sometimes, they would cough up owl pellets containing the bones of their prey, which landed on the cave floor. And, researchers have just ...

Ancient bees built nests in the hollows of rodent skulls, a new study suggests L. Viñola López et al., Royal Society Open Science, 2025 under CC BY 4.0 People often appreciate fossils for the insights ...

Contrary to popular depictions of bee nests as large, intricate hives that hang from trees, the majority of bee species — about 90% — are actually solitary and build their nests in the ground or ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Bees are frequently associated with large queen-serving colonies ...

Thousands of years ago in what is now the Dominican Republic, there was a cave full of bones. And those bones were full of bees. In a paleontological first, researchers have discovered that bees used ...