WNT 3 (IMAGE) Rice University Caption Rice University graduate student Joseph Massey, left, and bioscientist Aryeh Warmflash led a study that determined protein signaling in embryos is far more complex than previously thought, as cells depend a great deal on context to determine their fate. 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.