Arizona State University Scientists (IMAGE) Arizona State University Caption Arizona State University researchers Dan Buttry (right) and coworkers Helme Castro (left) and Poonam Singh work in the lab. Credit Mary Zhu 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.