history of north america
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Fragments of Ancient Maya 260-Day Calendar Found in Guatemala
Archaeologists say they have found the earliest-yet evidence of a Mesoamerican calendar in fragments of painted murals made in what is now Guatemala over 2,000 years ago.
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Controversial Study Makes A Staggering Claim About When The First Humans Settled North America
In a study that’s already attracting considerable controversy, a research team says it has found evidence of human habitation along the southern coast of California dating back an astounding 130,000 years. That’s 10 times older than most estimates, and a complete upending of what we thought we knew about how and when humans first arrived…