Cosmic cataclysm 1,500 years ago may have caused downfall of the Hopewell Culture
Researchers at the University of Cincinnati find evidence of cosmic cataclysm 1,500 years ago at 11 ancient sites in three...
Maya city Tikal put today’s urban gardens to shame
The Maya civilization was known for its achievements in art, architecture, mathematics, astronomy, and calendar systems. Tikal, the ancient Maya...
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