Plastisphere Floats (image) American Geophysical Union Caption SEA Education Association scientist Greg Boyd holds recovered foam floats containing invertebrates and microbial biofilm. New research being presented at the Ocean Sciences Meeting delves deeper into the role microbial communities living on plastic marine debris play in the ocean ecosystem. Credit Erik Zettler, SEA Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.