NASA Reveals Discovery of Arsenic-Using Life

NASA has announced the discovery of microbes that can replace phosphorus with arsenic, which is toxic to all other known life forms. It can substitute arsenic for phosphorus in the (normally phosphoric) backbone of its DNA and RNA, in its cell membrane, and even in its ATP (adenosine triphosphate), which is a central energy-carrying molecule in all cells.

NASA’s release:

So, how do you think this will affect the search for life elsewhere? It might not be life on Titan (as some speculated the news release might be about), but it’s still pretty cool.

Forum topic for convenience:

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