<Minor Spoiler Alert> A very similar experiment today - http://news.nationalgeographic.com/news/2012/07/120709-arsenic-space-nasa-science-felisa-wolfe-simon/ ht

<Minor Spoiler Alert> A very similar experiment today - http://news.nationalgeographic.com/news/2012/07/120709-arsenic-space-nasa-science-felisa-wolfe-simon/ http://news.nationalgeographic.com/news/2012/07/120709-arsen... The Arsenic Life claim that was much ballyhooed by NASA but turned out to to be bad controls in the experiment protocols. In that case as in the Poly-water case, the reason for the initial strange results turned out to be contamination of the Samples. In the Arsenic Life case however the authors continue to deny it and still claim their results are valid. The lead author is now attached to a prestigious institution still doing "science".