Zhi and Xiaotian (IMAGE) Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign Caption Graduate student Zhi (Andrew) Dou (left) and postdoctoral researcher Xiaotian Zhang (right). Credit Isaac Mitchell Usage Restrictions credit photographer 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.