Upcycling fish scales video (VIDEO) National University of Singapore This video is under embargo. Please login to access this video. Caption NUS physicists have developed a novel method of repurposing fish scale waste to act as a bio-adsorbant to effectively remove the pollutant Rhodamine B from water, and a material for information encryption. Credit Faculty of Science, National University of Singapore Usage Restrictions NA 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.