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Studies Refute Arsenic-Based Life Claims Options
Daemon
Posted: Thursday, July 12, 2012 12:00:00 AM
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Joined: 3/7/2009
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Studies Refute Arsenic-Based Life Claims

In 2010, scientists announced that they had found a bacterium in California's arsenic-rich Mono Lake capable of substituting arsenic for phosphorus—one of six elements considered essential for life—in critical parts of its working biology, including its DNA. The announcement raised the possibility that similar life forms could exist elsewhere in the universe. However, two new scientific papers refute the findings, claiming that there is no evidence arsenic was incorporated into the microbe's DNA and that the samples taken in the original study did in fact contain trace amounts of phosphorous that would account for the microbe's growth. More...
pedro
Posted: Thursday, July 12, 2012 7:57:16 AM
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so we can stop feeding it to the goldfish now
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