Learn how growth patterns in tooth enamel and residues trapped in dental plaque were used to reconstruct childhood ...

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 ...

Paleoanthropologists have wondered how and why humans evolved molars that emerge into the mouth at specific ages and why those ages are so delayed compared to living apes. It is the coordination ...