If you feel that this has been a very hot summer then you’re right. In fact this last twelve-month period is the warmest ever recorded in the U.S. according to the National Oceanic and Atmospheric Administration. To escape the heat of July and August, residents of overcrowded cities throughout the Northern hemisphere abandon their homes and flock to the nearest beach resorts. Over the last several years something else has been gathering to welcome the tourists: the jellyfish.