Saleem Ali, University of Delaware (IMAGE) University of Delaware Caption University of Delaware researcher Saleem Ali at the Diavik Diamond Mine, Yellowknife, Northwest Territories, Canada. Credit Courtesy of Saleem Ali, University of Delaware Usage Restrictions Image must include credit as indicated above. 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.