How germy is the public pool? An infectious disease expert weighs in on poop, pee and perspiration – and the deceptive smell of chlorine

On hot summer days, few things are more refreshing than a dip in the pool. But have you ever wondered if the pool is as clean as that crystal blue…

Why do our noses get snotty when we are sick? A school nurse explains the powers of mucus

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 do our noses get…