Microplastics (IMAGE) University of Washington Caption An image of polyethylene microplastic found in oysters. The researchers identified the microplastic using an advanced chemical identification technique. Credit Samantha Phan/University of Washington Usage Restrictions credit required License Licensed content 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.