Crystal Schalmo, 2004 Biological Sciences, participated in Miami University’s Earth Expeditions global field course in Costa Rica during summer 2015. In Costa Rica, Schalmo studied biotic, physical, and cultural forces that affect tropical biodiversity at the Monteverde Cloud Forest Reserve and La Selva Biological Station. Schalmo, a senior keeper at the San Diego Zoo Global in San Diego, Calif., took the graduate course in pursuit of her master’s degree from Miami University’s Global Field Program.