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 ...

Growing older often brings unexpected grooming challenges. This is particularly apparent when some areas that, when young, we could otherwise ignore start to develop hair. This includes our nose and ...

Assistant Professor of Computational and Systems Biology, University of Pittsburgh 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 ...