US space agency finds new form of life… on Earth

Washington (AFP) Dec 2, 2010 Bacteria that thrive on arsenic have been scooped from a California lake, a discovery that redefines the building blocks of life and offers new hope in the search for other organisms on Earth and beyond. Not only do the bacteria survive, they grow by swapping phosphorus for arsenic in their DNA and cell membranes, said the study funded by the US space agency NASA and published Thursday in th


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