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 ...

(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 ...

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 is an independent and nonprofit source of news, analysis and commentary from academic experts.) Lisa Cuchara, Quinnipiac University (THE CONVERSATION) On hot summer days, few things ...