Joseph Masco is Assistant Professor of Anthropology and of the Social Sciences at the University of Chicago. His work investigates the politics of everyday life in the nuclear age and in post-Cold War America. His book The Nuclear Borderlands: The Manhattan Project in Post-Cold War New Mexico (Princeton University Press, 2006) explores how the end of the Cold War challenged concepts of security and risk for the diverse communities working in and neighboring Los Alamos National Laboratory in New Mexico. His theoretical interests include science and technology studies, the anthropology of the national security state, the expressive culture of the Cold War, political ecology, exchange, and social theory.