Atom probe tomography (APT) and other techniques revealed that human enamel contains small chemical flaws that may affect the resiliency of the fundamental building blocks of teeth, in a study ...

The universe is decaying much faster than thought. This is shown by calculations of three Dutch scientists on the so-called Hawking radiation. After that publication, the researchers received many ...

Rotten or decayed teeth are teeth that have become damaged by decay or infection. Signs include pain and marks or holes in tooth enamel. Decay usually results from inadequate oral hygiene, but certain ...