BBC News:  Archaeologists in Guatemala have announced the discovery of a 1,300 year old text that makes reference to the last date of the Mayan calendar.  According to the Mayan calendar, 21 December 2012 will mark the end of an era. 

Commentary:  Last month, it was reported that archaeologists found the oldest known Mayan astronomical tables.  At the site in Guatemala, the earliest known Mayan art was found painted on the excavated walls of a dwelling.  It dates from the early 9th Cent...
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