Carbon-dating of a structural beam from a Guatemalan temple confirms that the Mayan Long Count calendar did end on December 2012, leaving no room for further doomsday prophecies and miscalculations claims.

The Long Count is a complex system of bars and dots that consists of five time units: Bak’tun (144,000 days); K’atun (7,200 days), Tun (360 days), Winal (20 days) and K’in (one day).

The days are counted from a mythological starting point....