Topic: Felisa Wolfe-Simon
All Content
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How alleged 'arsenic munching' bacteria survives in toxic Calif. lake
The bacteria, a member of the genus Halomonadaceae, live in California's Mono Lake, amidst concentrations of arsenic that would kill most other life forms.
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New studies cast doubt on NASA's arsenic bacteria claims (+video)
Research led by a NASA astrobiologist in 2010 that suggested the existence of bacteria could grow using arsenic instead of phosphorus has been challenged by two new studies.
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NASA 'arsenic life' claim refuted by two new studies (+video)
The new studies refute a December 2010 finding that, if confirmed, would have revolutionized how we think about life.
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Arsenic microbe in Mono Lake may reshape hunt for extraterrestrial life
Scientists have found a microbe in Mono Lake, California, that uses arsenic as a fundamental building block, changing the definition of 'life as we know it' and the search for extraterrestrial life.
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How does an arsenic-based life-form work, exactly?
Scientists have apparently discovered a type of bacteria that, unlike every other known form of life, uses arsenic instead of phosphorus as one of the basic components of its DNA molecules.
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