Other shoe drops on arsenic-eating bugs

Journal publishes responses to astonishing claim

By Rachel Ehrenberg, 15:19 PM May 27, 2011

It took no time in December for critics to cast doubt on the remarkable claim that a bacterium force-fed with arsenic incorporated some of the poison into its cells and even its DNA. As soon as the Science paper by Felisa Wolfe-Simon and colleagues was published, critics took to the airwaves and the blogosphere; there was even coverage of the coverage.

The debate over whether an organism could substitute a normally toxic substance, arsenic, for phosphorus, one of life’s six elemental buildi...

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