Kristopher Kilian, University of Chicago (IMAGE) University of Chicago Caption Kristopher Kilian, National Institutes of Health Postdoctoral Fellow at the University of Chicago, and his associates are using shape to control stem-cell development. Their article on the method appears in the March 1 Early Edition of the Proceedings of the National Academy of Sciences. Credit Jason Smith Usage Restrictions This image may be used by news or professional organizations in connection with reports about the work of Kris Kilian, Milan Mrksich and their associates. 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.