Scant evidence that ‘wood overuse’ at Cahokia caused collapse
Archaeologists excavated around earthen mounds and analyzed sediment cores to test a persistent theory about the collapse of Cahokia, the pre-Columbian Native American city in southwestern Illinois that was once home to more than 15,000 people.
The extremely rare cave-dwelling albino fish with no eyes, the Mexican blindcat, has previously only been known to exist in Mexico.
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