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Millions live in the shadows of nature's ticking time-bombs—volcanoes. NOVA accompanies scientists who are developing new techniques to predict when volcanoes will erupt and how violently.
The Panama Canal opened in 1914 after a 30-year effort that dwarfed the building of the pyramids. Historian David McCullough navigates through the canal and tells the story of the human drama behind the engineering feat.
NOVA takes a behind-the-scenes look at science and technology in the USSR, where the government is trying novel approaches in an effort to catch up with the West.