WNT 2 (IMAGE) Rice University Caption Rice University graduate student Joseph Massey, lead author of a new study on the complexity of signaling pathways in the cells of developing organisms, looks at cells under a lab scope. Massey and Rice bioscientist Aryeh Warmflash led a team that determined protein signaling in embryos is far more complex than previously thought, as pathways take cues from many other players. Credit Jeff Fitlow/Rice University 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.