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 ...

Is it safe? The water in many public pools is contaminated with E. coli, a study finds. Perhaps you've noticed a toddler's sagging swim diaper and wondered if it's really keeping the poop out of your ...