We can learn a great deal about the lives and social structures of civilizations thousands of years ago by studying what they ...

Amino acids have been discovered in 48-million-year-old fossil teeth, revealing new insights into ancient life and evolution ...

Study of tooth enamel reveals that the Sumerians did not eat fish despite living by the sea, challenging what we thought ...

Hydroxyapatite (HAP) toothpaste is a dental product that contains manufactured calcium phosphate. Calcium and phosphate are minerals that form 95% of tooth enamel and 70% of bones. NASA developed HAP ...