Humans are the only primates that run nearly naked under the sun. Here’s how this biological tradeoff reshaped how our ...

Have you ever wondered why you don’t have thick hair covering your whole body like a dog, cat or gorilla does? Humans aren’t the only mammals with sparse hair. Elephants, rhinos and naked mole rats ...

For most mammals, fur is essential for survival. Humans lost it anyway and didn’t just survive, they adapted. Fossil and ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. Why don’t humans have hair all over their bodies ...