Add Yahoo as a preferred source to see more of our stories on Google. It is often said that nature is red in tooth and claw — that’s readily apparent from a viewing of Ocean Predators — but that ...

The human body is remarkably good at handling repairs. Cut the skin, and the blood will clot over the wound and the healing ...

Our sensitive teeth originally evolved from the "body armor" of extinct fish that lived 465 million years ago, scientists say. In a new study, the researchers showed how sensory tissue discovered on ...

View post: We Already Have a Contender for the Best Movie of 2026 A new study, published on May 21 in the journal Nature, has revealed surprising information about the origins of human teeth. Our ...

Scientists have long debated the origins of teeth. Did they evolve from body scales that migrated into the mouths of ancient vertebrates and became adapted for eating -- an idea known as the ...

Scientists in the U.K. have developed a new material that may allow them to grow teeth in the lab, which could provide an alternative to fillings and dental implants someday. When you purchase through ...

A great white shark is a masterwork of evolutionary engineering. These beautiful predators glide effortlessly through the ...