IT has so happened that Dr. W. K. Gregory, of the American Museum of Natural History, New York, and the writer of this review have each set out, at an early point in their lives, to seek for a ...

A video making the rounds on social media has captured the moment a lady expressed her struggles because of her dentition.

Heterodont - Teeth have different form and functions in different parts of the tooth row (mammals, a few fish). Alligator shows dentition that is thecodont (attachment), polyphyodont (replacement), ...