TheMayancalendarpredictsthattheworldwillendin2012,andmanybelieveit'strue.ThisEmmy-nominatedDiscoveryChanneldocumentaryillustratesthevarietyofwaystheapocalypsecouldarrivein.Truebelieverswilllearnhowvolcaniceruption,widespreadplague,deadlyasteroids,neighboringstars,andnuclearandbiologicalweaponscouldeachbringabouttheextinctionofhumankind.
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