Idse Heemskerk (IMAGE) Rice University Caption Former Rice University postdoctoral researcher Idse Heemskerk led a study that uncovered details about how two critical signaling pathways in developing embryos are treated differently by cells. Credit Jeff Fitlow/Rice University Usage Restrictions Credit must be used. 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.