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Antarctica’s sinister Blood Falls could be a sign of life on Mars

blood_falls_by_peter_rejcek.siAntarctica’s Blood Falls could be home to microorganisms similar to alien life on Mars. New data shows that beneath McMurdo Dry Valleys, earth’s coldest and driest place, lies salty water that may support previously unknown ecosystems. This region is best known for the eerie Blood Falls, an outflow of an iron oxide-tainted plume of saltwater. Scientists previously thought that red algae gave this bloody ooze its dramatic color, but later it was proven to be due only to iron oxides. Read Article

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