Deforestation Unveils Lost Amazon Civilization

Who would've thought deforestation had an upside? Satellite flyovers of newly cleared land in the Amazon have uncovered a vanished civilization that could rival the Incans or Aztecs in sophistication. Researchers found mysterious geometric trenches and other earthworks carved into the landscape as early as a decade ago, but satellites have paved the way for [...]

January 7, 2010
11:38 AM EST