Gregory Jerkiewicz, Queen's University (IMAGE) Queen's University Caption Queen's University chemistry professor Gregory Jerkiewicz's research has answered some questions about platinum's catalytic properties that have puzzled scientists for nearly 100 years. Credit Queen's 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.