Ph.D. candidate Xiao Yang was awarded the medal for best poster presentation in the combined category of Geosciences and Environmental Sciences at the annual Sigma Xi Student Research Conference, held on 8-9 Nov. 2013 in Research Triangle Area, North Carolina. His poster presentation “Abrupt Inter-polar Climate Change During the Last Ice Age” is on display at http://www.dynamicpaleoclimate.org. The Sigma Xi Student Research Conference website is: http://www.sigmaxi.org/meetings/src/src.shtml.