Mayan apocalypse? Doomsday? Asteroid? How the world will end

Mayan apocalypse? Doomsday? Asteroid? How the world will end: "For years, conspiracy theorists, numerologists, and armchair prophets have predicted the end of the world will take place on December 21, 2012. They point to several apocalyptic events: a long-period comet hurtling toward Earth, or a massive solar storm that causes complete power grid failure."