Covering some 40,000 square miles with an average elevation of 13,000 feet, the Atacama is located mostly in Chile. But its outer regions stretch into nearby Peru, Bolivia and Argentina. What's more, it's home to the driest spot on Earth.
ultraviolet radiation
It's been nearly one year since the Food and Drug Administration recommended that teens be prevented from using tanning beds, however the agency has yet to make its final ruling. But a new study estimating significant financial and life-saving benefits of such a ban will hopefully prompt the FDA to finally act.