Scientists have looked our ancestors in the mouth and extracted a new insight about human evolution. Slowed-down tooth growth, a marker of extended childhood development in humans, emerged by only ...

Kids who belonged to now-extinct species in the human evolutionary family grew at unexpected rates, unlike the growth of either present-day people or apes, a new study of their teeth finds. As a ...

This clock, or biological rhythm, controls many metabolic functions and is based on the circadian rhythm, which is a roughly 24-hour cycle that is important in determining sleeping and feeding ...

While bones can regrow themselves when they break, teeth aren’t so lucky, and that leads to millions of people worldwide suffering from some form of edentulism, a.k.a. toothlessness. Now, Japanese ...

The dental development of modern bears does not follow the typical pattern seen in most mammals. The reason lies millions of ...

A new study by scientists at Kyoto University and the University of Fukui, however, may offer some hope. The team reports that an antibody for one gene -- uterine sensitization associated gene-1 or ...

Puerto Madryn, Argentina – A new study published in PeerJ Life and Environment reveals that the teeth of South American sea lions (Otaria byronia) hold valuable clues about past population dynamics.

Journal of Herpetology, Vol. 41, No. 3 (Sep., 2007), pp. 528-531 (4 pages) Marginal teeth of iguanine lizards have been studied to some extent, but some aspects of tooth growth remain poorly known.