The Mayan Apocalypse will take place next Friday, December 21. Or not. Science is making earnest — but probably doomed — attempts to refute the Doomsday scenario. Meanwhile, despite the swift approach of the End of the World, National Geographic has recruited blogging stars Zimmer, Yong, Switek, and Hughes to form its own new blog network. Discover fights back with Keith Kloor. Holiday hiatus here, but will return in the New Year, apocalypse or no.