The research team (IMAGE) Penn State Caption The research team included: front row, from left to right: Connie Wen, Yong Wang, Xuelin Wang; back row, from left to right: Yixun Wang, Keith Lee, Xuan Ren. Credit Kate Myers/Penn State Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.