The demand for lithium is increasing dramatically – and sources of this metal are being sought from the high elevations of the Andes Mountains to the lowlands of Australia. Lithium is widely distributed on our planet, but since concentrations of this metal are typically quite low, relatively few ores that are economical to mine have been found to date. There are currently three major sources.
When I hiked to Machu Picchu along trails built by the Incas in the Andes Mountains, I was traveling on what was once part of the largest monumental system ever built in the ancient world [...]
The Incas and their ancestors who inhabited the Andes Mountains had many lively and colorful cultural practices – parading the mummies of long-dead rulers through the streets, oracles who spoke in tongues, psychedelic drug use, [...]