Salinity Level Check (IMAGE) Syracuse University Caption Syracuse University graduate student Andrew Moura (right) and former Villanova University undergraduate student Jack Cucchiara check salinity levels among the 10 different groups of sea urchins at Friday Harbor Laboratories. Credit Syracuse University, University of Washington Usage Restrictions None 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.