The Doomsday Book: The Science Behind Humanity's Greatest Threats

How might the world as we know it end? In this illustrated guide, How Stuff Works author Marshall Brain explores myriad doomsday scenarios and the science behind them.

What if the unimaginable happens? A nuclear bomb detonates over a major city, for example, or a deadly virus infects millions around the world. There are other disasters we don’t even have to imagine because they’ve already occurred, like violent hurricanes or cataclysmic tsunamis that have caused horrific loss of life and damage. In







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