D eep in the Amazon rainforest are patches of mysterious soil. Standing in contrast with the typical reddish soil that ...

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A study conducted in the Brazilian state of Amazonas has demonstrated that small amounts of Amazonian dark earth (ADE)—an anthropogenic soil created by ancient Amazonian populations—can increase the ...

In the tribal societies of the Amazon forest, violent conflict accounted for 30 percent of all deaths before contact with Europeans, according to a recent study by anthropologists. Understanding the ...

Ice-age aridity in Amazonia was proposed to account for the origins of Amazonian biodiversity 1. It was suggested that Amazonian rainforests were replaced by savannah during ice ages, and that forest ...

Brachyplatystoma rousseauxii, a commercially valuable catfish species and an apex predator, grows to 3 meters long. Scientists have long suspected that it makes an extraordinary migration from the ...