From Dennis Overbye from the NY Times 12/02/2010:
"Scientists said Thursday that they had trained a bacterium to eat and grow on a diet of arsenic, in place of phosphorus — one of six elements considered essential for life — opening up the possibility that organisms could exist elsewhere in the universe or even here on Earth using biochemical powers we have not yet dared to dream about." (read the rest here)
(photo of Dr. Felisa Wolfe-Simon at Mono Lake, CA - by Henry Bortman for the NY Times)
