Like most mammals, humans are diphyodont: We have two sets of teeth – baby teeth and adult teeth. The technical term for our baby teeth is deciduous teeth because they fall out, the same way deciduous ...

Living their full lives underground, naked mole-rats are more than just a pretty face. Discover cool facts about these subterranean dwellers.

Utterly charming, otters are web-footed animals that inhabit rivers and seas around North America, Asia, Europe, Africa, and the Pacific. Otters are known to be intelligent and very social aquatic ...

Naked mole-rats are blind and hairless and live their entire lives underground. They have two large sets of front teeth, and can move their lower set of teeth independently of each other. Each ...