Here are ten reasons that suggest December 21st will not herald the end of the world as we know it.

1) Doomsday adherents cannot seem to agree on precisely what catastrophe will befall the earth on December 21st. Will it be the emergence of Planet X or a combination of crippling global superstorms and extreme weather events? Unlike Y2K, which at least was a single, quantifiable threat, the Mayan prophecy comes with no specific warning attached, leaving it open to wild and inaccurate speculation.