African elephants are the largest mammals walking the Earth, yet they only have four teeth. As you might expect, though, their teeth are tremendous. Each tooth of an adult elephant is about the size ...

He joins a herd of elephants at the zoo that includes two half-siblings of his.

Tusks are one of the most notable features of elephants, among their size and trunks. However, some elephants do not have tusks, and a high proportion of these elephants are females. Why do some ...

Voles (1), horses (2), and elephants (3)—each vastly different—share one simple trait: very tall and resistant teeth, sharp enough to tackle the hardest plants. Imagine a row of kitchen graters tucked ...