Dental calculus is the richest known source of ancient DNA in the archaeological record. That stubborn mineralized plaque, once treated as little more than an unpleasant byproduct of life, has become ...

What is that how can a tooth survive the years and bear any intelligible mark of the molecules on its side when bone and other soft tissue have long since decayed? In the case of ancient-DNA, teeth ...

Yara Haridy, an evolutionary biologist at the University of Chicago, likes to stun people by telling them that our skeletons evolved from a jawless fish. “Much of what we have today has been around ...

Add Yahoo as a preferred source to see more of our stories on Google. A stained section of a tooth organoid grown in the lab at King’s College London. - Dr. Xuechen Zhang It’s not surprising that many ...

Scientists at UC Davis have tested a new method for determining the sex of human remains based on proteins extracted from tooth enamel. Based on a study of 55 Native American remains dating between ...

It’s not surprising that many people fear the dentist. Replacing a tooth often requires invasive surgery and implanting a titanium screw into a patient’s jawbone, then waiting months for that to ...