The sensitive interior of human teeth might have originated from a seemingly unlikely place: sensory tissue in fish that were swimming in Earth’s oceans 465 million years ago. While our teeth are ...

[ Related: Butchered skulls point to Europe’s Ice Age cannibals. ] The study centers on the Zvejnieki cemetery site in northern Latvia. Dating back to about 7500 to 2500 BCE, more than 2,000 animal ...

From baby teeth to ‘conveyor belt’ molars, here’s why humans—and other mammals –grow and replace their teeth in such ...

Prehistoric people used a culinary method, similar to slow cooking today, to carefully extract animal teeth to use in decorative crafts, such as pendant-making, archaeologists have shown. It has long ...

An artist’s view of what the area of the Zvejnieki cemetery (northern Latvia) might have looked like when animal parts were processed in the cooking pits. The research centers on the Zvejnieki ...

An artist’s illustration of what the Zvejnieki cemetery in norther Latvia might have looked like during the Stone Age © Tom Björklund When piecing together the ...

There was a time before the dinosaurs when ancient sheep-sized reptiles thrived on Earth. While they were numerous, a new study reveals that their diets actually led to their own starvation by wearing ...

As humans we need to clean our teeth regularly to prevent cavities, while animals seem to have healthy teeth without using toothbrushes or toothpaste. With humans, we need to clean our teeth regularly ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The sensitive ...

They look the same in ancient and modern arthropods, because they’re all making this mineralized layer that caps their soft tissue and helps them sense the environment,” Haridy said. It’s likely that ...