Why you can’t smile in your passport photo usually hits you at the worst moment. You are already sitting in that stiff chair, ...

Indian scientists have developed magnetic nanorobots that can repair teeth without human assistance.These bots, smaller than a strand of hair, are able to repair teeth by sealing cracks, killing ...

Teeth and bones are both hard, white and heavy with calcium, but that doesn't make them one and the same. From the way they look to how they heal, teeth are quite different from the body's bones.

How does mimicry affect the way we judge other people? Whose behavior do we imitate, and in what situations? It turns out that we are more likely to mimic people who express joy, and we perceive those ...

People instinctively mimic others’ facial expressions, but new research shows we do this far more with joyful faces than with sadness or anger—and that the intensity of mimicry predicts how much we ...

It is enamel. Like hair and nails, this hard substance is made by epithelial cells. Once it was thought to be as inert as rock; now it is known to exchange its substance with the body fluids ...

Association of paleopalynological data from the Nanxiong Basin, south China, and late Paleocene niche expansion in endemic Asian fossil mammals.

Absence of metal components reduces mucosal irritation and emergency visits.

Scientists have digitally reconstructed the face of a 1.5-million-year-old Homo erectus fossil from Ethiopia, uncovering an ...

The dental pulp is susceptible to microbial infection, which often results in inflammation, necrosis, and defects in the pulp ...

People who naturally radiate good vibes bring a warm presence to almost any event or situation that makes others feel ...

Researchers in Beijing have generated a transcriptomic atlas comparing human fetal tooth germs from the upper and lower jaws ...