Climate change contributed to fall of Cahokia
A new study shows climate change may have contributed to the decline of Cahokia, a famed prehistoric city near present-day St. Louis. And it involves ancient human feces.
from Paleontology News -- ScienceDaily https://ift.tt/2C5Z5Ir
from Paleontology News -- ScienceDaily https://ift.tt/2C5Z5Ir
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