Shoe over time (IMAGE) University of California - San Diego Caption A sustainable Blueview shoe is shown biodegrading in seawater after being submerged for 12 weeks. Credit Daniel Zhen, Algenesis Inc. Usage Restrictions None License Original 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.