The Straits Times | Unraveled: Why Chile's Chinchorro Mummies Are Turning into Black Ooze NBCNews.com The famous Chinchorro mummies, which have remained preserved in Chile for more than 7,000 years, are now under threat from increased levels of moisture. Humid air is allowing bacteria to grow, causing the mummies' skin "to go black and become … Climate change risks turning world's oldest mummies to 'black ooze' Climate change cause mummies to turn to 'black ooze' Ancient mummies turn Into 'black ooze' Because of climate change |