Claire Kremen, a University of California at Berkeley conservation biologist, studies pollinating species, especially bees (which do about half of all the world´s pollinating). As bee populations currently experience a mysterious decline worldwide, Kremen is working to learn how loss of and changes to habitat are affecting their survival.
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Global CSI
Courtesy The MacArthur Foundation; Mercedes Doretti
Mercedes Doretti co-founded the Argentine Forensic Anthropology Team, which searches for mass graves and uses new laboratory techniques to identify victims. She began by looking for people who went missing during the Argentine military dictatorship from 1976 to 1983 and has investigated graves in 30 countries in Latin America, Africa, Asia, Europe and the Middle East.