Comment Re:Is it on another planet? (Score 1) 405
::facepalm::
If what's being reported is accurate, they've discovered a life form whose DNA was previously thought to be completely, unequivocally, no-exceptions impossible. Not just "we haven't found it", but impossible.
From the NASA article, according to Carl Pilcher, this was already thought possible: "Until now a life form using arsenic as a building block was only theoretical, but now we know such life exists in Mono Lake."