NASA finds "new branch" on tree of life
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
