On Nov. 23, the Geological Society of America's (GSA) Geobiology and Geomicrobiology Division awarded earth and environmental sciences graduate student Yu Kai Tan '20 with a student presentation award. Tan presented his poster, "Freshwater Mussels in North America: Museum Collections and Pre-Industrial Biogeography," on Oct. 29 during the GSA's annual (virtual) meeting. Andy (Dick Yee) Tan '21 collaborated with Tan '20 on the poster. Their advisors are Ann Burke, professor of biology, and Ellen Thomas, Harold T. Stearns Professor of Integrative Sciences, Smith Curator of Paleontology of the Joe Webb Peoples Museum of Natural History, and University Professor in the…