A picture taken in 1971 shows a nuclear explosion in Mururoa atoll.
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How will the world end?
Scientists from the Global Challenges Foundation and the Future of Humanity Institute have created a list of the most likely ways the world will end. CNN's Richard Roth explains why he'll be hiding in his office until then.
2:01 • Source: CNN
Apocalypse Now 12 videos
A picture taken in 1971 shows a nuclear explosion in Mururoa atoll.
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How will the world end?
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Tour the 'doomsday Disneyland'
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Training for the zombie apocalypse
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Bird invasion drives town bonkers
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