Kathy Denning, University of Kansas (IMAGE) University of Kansas Caption KU graduate student Kathy Denning performs molecular analysis on grains of pollen to determine history of pollinator's travel from plant to plant. Credit KU News Service | University of Kansas 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.