Hank debunks several apocalypse theories that predict Earth's demise in 2012. Like SciShow on Facebook: http://www.facebook.com/scishow Follow SciShow on Twitter: http://www.twitter.com/scishow References for this episode can be found in the Google document here: http://dft.ba/-2k7z tags: scishow, science, science fiction, mayan calendar, maya, apocalypse, doomsday, hoax, myth, nibiru, niburu, sumeria, sumerian, mass hysteria, astronomy, gravitational vortex, galactic equator, galactic beam, galactic alignment, magnetic sphere, magnetic field, radiation, david morrison, NASA
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