Archaeologists have found a small room in Mayan ruins where royal scribes apparently used walls like a blackboard to keep track of astronomical records and the society’s intricate calendar some 1,200 years ago.
Related posts:
How Tech Can Help Prevent Violence
Gaza rally held for jailed Palestinians
NASA's Cassini Space Probe Finds New Saturnian Ocean
Where to guv'nor? Rare original London black cab which spelled beginning of the end for horse drawn ...
New CISPA in the Senate ready for a vote
Complaints about banks soar to record high of 1.2m as 5,000 inquiries are made every day