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Scientists say they cracked how an advanced ancient society vanished
Archaeologists have long known that complex societies can rise, flourish and then disappear so completely that only scattered ...
Global temperature increases over the past thirty years, visualized. Credit: NOAA/NCEI Earth's average global temperatures have been steadily increasing since the Industrial Revolution. According to ...
For decades, the search for extraterrestrial intelligence has largely been predicated on a specific assumption: that advanced civilizations will inevitably grow, expanding their energy consumption and ...
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