The ancient string-based devices were used to solve mathematical problems and assist in record-keeping.
A mysterious mummy that sat in a German collection for over a century was once an Incan woman who was murdered with blunt-force trauma to the head, possibly in a ritual sacrifice, new research suggests.
The Mayans never predicted the world would end on Dec. 21, 2012 -- the Doomsday misconception is a "distorted world view of ancient civilizations."
A tomb yields more than 80 mummies and skeletons -- many belonging to babies.
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