http://www.guardian.co.uk/science/2010/dec/02/nasa-bacteria-arsenic-phosphorus
Nasa unveils new life form: Bacteria that thrive on arsenic
Scientists reveal a bacterium that can live on arsenic instead of phosphorus, a discovery that could change the way we think about life – both extraterrestrial and terrestrial. The bacteria, christened GFAJ-1, appear to incorporate arsenic into their DNA, lipids and proteins, forcing a rethink of how life might look on other planets
And I know Grame, I heard something like that as well, but it's still exciting, imo. lol Anyway, to some it's a let down. But I still find it quite interesting. *shrugs*