Bishop Richard Malone, wearing a lab coat presented to him by students, speaks with DeSales Catholic School sixth graders Riley Bell and Nico Scirri as they explain their "Crazy Loop" mablecoaster during the Diocese of Buffalo 3rd Annual X-Stream Games and Expo. Area Catholic elementary and middle school students competed in the county-wide science fair Sunday afternoon at St. Joseph's Collegiate Institute. (Dan Cappellazzo/Staff Photographer)