New kind of bacteria discovered in Mono lake based on arsenic

The AAAS Office of Public Programs is lifting the embargo,
> effective immediately, on the article "A Bacterium That Can
> Grow by Using Arsenic Instead of Phosphorous," by F. Wolfe-
> Simon and colleagues, because news reports disclosing the
> findings in the paper are now appearing online.
>
> The embargo is being lifted so that reporters may freely
> publish their coverage now. The rest of this week's SciPak
> content will remain under embargo until 2 pm US ET,
> Thursday, 02 December.
>
> A summary of the article follows, and a copy of the
> manuscript is available to registered reporters at