Blog: Arsenic-based life gets even more toxic

Scientists pound two more nails into the coffin of an incredible scientific claim

By Rachel Ehrenberg, 17:53 PM July 9, 2012

The brouhaha over a 2010 report that a microbe can incorporate the toxic element arsenic in its cells continues — though most experts consider the issue settled long ago. A study from Rosemary Redfield’s lab at the University of British Columbia that replicated the original experiments and found no evidence that microbe GFAJ-1 was using arsenic to survive has now been published online in Science (Science News covered it in February).

Science is also publishing a second paper by ETH Zurich m...

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