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Submission + - NASA changes search for life forever (

WiglyWorm writes: NASAs highly anticipated press conference, which many have speculated will be an announcement of the discover of life on Titan, may not be as exciting as little green men. It is, however, just as exciting.

At their conference today, NASA scientist Felisa Wolfe Simon will announce that they have found a bacteria whose DNA is completely alien to what we know today. Instead of using phosphorus, the bacteria uses arsenic. All life on Earth is made of six components: carbon, hydrogen, nitrogen, oxygen, phosphorus and sulfur. Every being, from the smallest microorganism to the largest animal, share the same life stream. Their DNA blocks are the same.

The discovery of a life form that differs so completely from what we are used to opens up a huge swath of new territory in the search for extraterrestrial life. The original source can be found here, in dutch or here translated by Google.

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