Weird Arsenic-Eating Microbes Discovered? Yes. Finding E.T.? No.

NASA-Funded Astrobiology Research Discovers Earth Life Built With Arsenic, NASA

"NASA-funded astrobiology research has changed the fundamental knowledge about what comprises all known life on Earth. Researchers conducting tests in the harsh environment of Mono Lake in California have discovered the first known microorganism on Earth able to thrive and reproduce using the toxic chemical arsenic. The microorganism substitutes arsenic for phosphorus in its cell components."

Second Genesis on Earth?, Washington Post

"News of the discovery caused a scientific commotion, including calls to NASA from the White House and Congress asking whether a second line of earthly life has been found."

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