Anca Delgado (IMAGE) Arizona State University Caption Anca Delgado, co-author of the new study, is a researcher in the Biodesign Swette Center for Environmental Biotechnology and assistant professor at ASU's School of Sustainable Engineering and the Built Environment. Credit The Biodesign Institute at Arizona State University Usage Restrictions None 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.