The contemporary fascination with the end of the world and of life as we know it would not have surprised our counterparts a millennium ago; only the fact that such an end has not yet occurred. Current visions of the apocalypse encompass climate change, terrorism, antibiotic-resistant bacteria, and war. Popular culture expresses the fear associated with these global crises, obsessively portraying zombies, alien attacks, pandemics, and self-destructive...