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December 13, 2010

NASA finds "new branch" on tree of life

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Astrobiologists have discovered a bacterium that can live entirely on arsenic - even incorporating toxic element into its DNA - which will impact the search for evidence of extraterrestrial life.

Source: http://www.cosmosmagazine.com/news/3902/nasa-finds-new-branch-tree-life

Shannyn Sossamon Shiri Appleby Sienna Guillory Sienna Miller Simone Mütherthies

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