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Neill Prohaska, a UA doctoral student in the Department of Ecology and Evolutionary Biology, studies the Amazon with Scott Saleska, an associate professor in the department, and other researchers. As increases in global temperatures unleash ecological and (Photo: Corey Rich) Neill Prohaska, a UA doctoral student in the Department of Ecology and Evolutionary Biology, studies the Amazon with Scott Saleska, an associate professor in the department, and other researchers. As increases in global temperatures unleash ecological and meteorological mayhem around the planet, understanding how this iconic biome works has become more important than ever.