Dior Kelley and Craig Cowling (IMAGE) Iowa State University Caption Dior Kelley, assistant professor, genetics, development and cell biology, and doctoral student Craig L. Cowling, in Kelley's lab. Credit Whitney Baxter/Iowa State University Usage Restrictions For use with attached news release 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.