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HUNTSVILLE, Ala., Feb. 28 (UPI) -- NASA researchers have obtained 32,000-year old bacteria from Alaskan permafrost that came back to life when thawed.
The bacterium, named Carnobacterium pleistocenium, was recovered in a frozen pond exposed in the side of a tunnel dug through Pleistocene-era ice by the U.S. Army Cold Regions Research and Engineering Laboratory.
Dr. Richard B. Hoover, a biologist at NASA's Marshall Space Flight Center, said he noticed a discolored patch in a layer that froze 32,000 years ago. Back at his laboratory, Dr. Hoover and colleague Dr. Elena Pikuta noticed the bacteria that …