Add Yahoo as a preferred source to see more of our stories on Google. More than half of U.S. beaches have fecal contaminated water that exceeds EPA standards. (Illustration: Oscar Duarte for Yahoo; ...

Paris city officials swear the Seine is safe for swimming, but that hasn't stopped athletes at the Paris Olympics from getting sick after taking a dip in the renown river. Despite the amount of ...

Welcome to FTW Explains, a guide to catching up on and better understanding stuff going on in the world. This is FTW Explains: The Olympics. Have you seen some stuff about the Paris Olympics and how ...

(THE CONVERSATION) 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 water appears? As an immunologist ...

While merrymakers seem to be having good clean fun in the pool, some are actually doing cringy stuff. Many swimmers are using the pool to wash their feet or their sandals, clogging the water with dirt ...

When you visit the beach, it's understandable to assume that the water you're swimming in is clean. But a new report found that more than half the beaches across the country have fecal contamination ...