Why don’t humans have hair all over their bodies? A biologist explains our lack of fur

Why Don't Humans Have Hair All Over Their Bodies? A Biologist Explains

Humans aren't the only mammals with sparse hair. Elephants, rhinos and naked mole rats also have very little hair. It's true for some marine mammals, such as whales and dolphins, too.

Why don’t humans have hair all over their bodies? A biologist explains our lack of fur

Human beings don’t have a thick coat of fur like many other mammals do. Scientists think it has to do with something else that comes out of skin: sweat.