New life form found on Earth: Deadly arsenic breathes life into organisms (Update)

Thursday, December 2, 2010 - 13:01 in Biology & Nature

(PhysOrg.com) -- Evidence that the toxic element arsenic can replace the essential nutrient phosphorus in biomolecules of a naturally occurring bacterium expands the scope of the search for life beyond Earth, according to Arizona State University scientists who are part of a NASA-funded research team reporting findings in the Dec. 2 online Science Express.

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