The lunar landscapes of Chile's Atacama Desert, which stretches for about 650 miles along the Pacific Ocean to the Peruvian Border, is generally considered the driest place on earth, wedged between the rain shadows of the Andes to the east and the coast ranges to the west, while the cold Humboldt Current off the coast suppresses evaporation from the ocean. There are places in the Atacama where there has been no recorded orobserved rainfall in the 400+ years since the Spaniards first arrived....