Aurora Clark, Washington State University (IMAGE) Washington State University Caption Aurora Clark, an associate professor of chemistry at Washington State University, has adapted Google's PageRank software to determine the way molecules are shaped and organized. Credit Washington State University photo 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.