Photo 1 (IMAGE) Nanyang Technological University Caption Assistant Professor (Steve) Cuong Dang, from NTU's School of Electrical and Electronic Engineering, who led the study, displaying pieces of tamarind shell, which were integral to the study. Credit Credit to NTU Singapore Usage Restrictions Credit to NTU Singapore 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.