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tag felisa wolfe simon evolution

Arsenic supports life?
Jef Akst | Dec 1, 2010 | 4 min read
The toxic element might be able to replace phosphorus to support microbial growth, casting doubt on the belief phosphorus is essential to life
Arsenic-based life debate continues
Jessica P. Johnson | Jun 2, 2011 | 3 min read
More than a dozen researchers voice their concerns about a 2010 paper that claims bacteria can use arsenic in place of phosphorus in its DNA and other biomolecules, such as proteins.
Arsenic-based life debate continues
Jessica P. Johnson | Jun 1, 2011 | 3 min read
More than a dozen researchers voice their concerns about a 2010 paper that claims bacteria can use arsenic in place of phosphorus in its DNA and other biomolecules
The Zombie Literature
Bob Grant | May 1, 2016 | 10 min read
Retractions are on the rise. But reams of flawed research papers persist in the scientific literature. Is it time to change the way papers are published?

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