Ancient Amazonians intentionally created fertile 'dark earth'

The Amazon river basin is known for its immense and lush tropical forests, so one might assume that the Amazon's land is equally rich. In fact, the soils underlying the forested vegetation, particularly in the hilly uplands, ...

Technology reveals new picture of ancient Native American culture

Jeff Ferguson, Rob Walker and Francisco "Paco" Gomez at the University of Missouri are part of an interdisciplinary research team using drones equipped with light detection and ranging, or lidar, to study ancient Native American ...

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