Bok
02-02-2012, 10:29 PM
Tests see no evidence that microbe uses element in cellular machinery
More... (http://www.sciencenews.org/view/generic/id/338090/title/Arsenic-based_life_finding_fails_follow-up)
More... (http://www.sciencenews.org/view/generic/id/338090/title/Arsenic-based_life_finding_fails_follow-up)