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As Pentagon Overhauls Nuclear Triad

Part of the Nuclear Power Play: Screening & Discussion, presented with the Pulitzer Center. The Pentagon is preparing for an extensive — and expensive — modernization of the country’s…

City 40

Tucked away deep in the heart of Russia, there is a hidden city where thousands of men, women and children live and work behind barbed-wire…

Nuclear Winter

Carl Sagan and other Cold War scientists once feared that a nuclear war could plunge the world into a deadly ice age. Three decades later,…