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NASA confirms arsenic based life


Posted on Friday, 3 December, 2010 | Comment icon 260 comments | News tip by: Nareik616


Image credit: NASA

 
"The definition of life has just expanded" - NASA has discovered an organism on Earth based on arsenic.

The eagerly anticipated announcement was not about the discovery of alien life but it is groundbreaking all the same, the discovery opens the door to finding life outside of the Earth in environments previously believed to be uninhabitable.

"NASA-funded astrobiology research has changed the fundamental knowledge about what comprises all known life on Earth."

  View: Full article |  Source: NASA

  Discuss: View comments (260)

   


 
Recent comments on this story
Comment icon #251 Posted by Copasetic on 7 December, 2010, 23:30
Redfield blogged a scathing attack on Saturday. Over the weekend, a few other scientists took to the Internet as well. Was this merely a case of a few isolated cranks? To find out, I reached out to a dozen experts on Monday. Almost unanimously, they think the NASA scientists have failed to make their case. "It would be really cool if such a bug existed," said San Diego State University's Forest Rohwer, a microbiologist who looks for new species of bacteria and viruses in coral reefs. But, he added, "none of the arguments are very convincing on their own." That was about as positive as the crit... [More]
Comment icon #252 Posted by electro13 on 20 December, 2010, 0:10
You don't need to go to university for 50yrs to know the universe is crawling with life. Probably an infinite variety too throughout eternity. It's just common sense. So Heeey, good on the scientists for attemting to break through their own dogmas on this one.
Comment icon #253 Posted by badeskov on 20 December, 2010, 0:14
You don't need to go to university for 50yrs to know the universe is crawling with life. Probably an infinite variety too throughout eternity. It's just common sense. So Heeey, good on the scientists for attemting to break through their own dogmas on this one. Really? Can you point me to anybody that really knows? I know of plenty of people that think they know, but the difference is both distinct and important. But I know nobody that knows. Cheers, Badeskov
Comment icon #254 Posted by electro13 on 20 December, 2010, 0:27
That's because ppl who know are rare.Whitley Streiber, the guy who wrote Communion, he knows. Anyway,through weighing up the mountain of evidence, the pro's and the con's, by trusting your own observations of life and having a bit of an understanding about the vast possibilities and immensity of this universe, even if you've never met an alien, youd have to admit they exist. And if they exist, it only stands to reason that some of them already know we're here.
Comment icon #255 Posted by booNyzarC on 20 December, 2010, 1:13
That's because ppl who know are rare.Whitley Streiber, the guy who wrote Communion, he knows. Anyway,through weighing up the mountain of evidence, the pro's and the con's, by trusting your own observations of life and having a bit of an understanding about the vast possibilities and immensity of this universe, even if you've never met an alien, youd have to admit they exist. And if they exist, it only stands to reason that some of them already know we're here. Whitley Strieber knows? Are you so sure? Tell me then, friend, why in the world would he have written this? from "The Communion Letter"... [More]
Comment icon #256 Posted by electro13 on 20 December, 2010, 1:55
Thnx booNyzarC for trying to illuminate me, but who better to describe ones own xperience in detail and with clarity than a writer himself? Dr Carl Sagan wrote fiction but I don't hear anyone discrediting his observations. W.Streibers motives for writing about this were to raise real awareness in th hope that th scientific comunity may take it seriously, and thereby provide answers to those who are going thru th same thing. True, th mountain of evidence does crumble away - to reveal a core reality that should not be ignored so easily. To cut a long story short, W.Streiber is a very courageous ... [More]
Comment icon #257 Posted by booNyzarC on 20 December, 2010, 3:23
Thnx booNyzarC for trying to illuminate me, but who better to describe ones own xperience in detail and with clarity than a writer himself? Dr Carl Sagan wrote fiction but I don't hear anyone discrediting his observations. W.Streibers motives for writing about this were to raise real awareness in th hope that th scientific comunity may take it seriously, and thereby provide answers to those who are going thru th same thing. True, th mountain of evidence does crumble away - to reveal a core reality that should not be ignored so easily. To cut a long story short, W.Streiber is a very courageous ... [More]
Comment icon #258 Posted by Hazzard on 20 December, 2010, 9:22
Willful Ignorance -- A bad faith decision to avoid becoming informed about something so as to avoid having to make undesirable decisions that such information might prompt.
Comment icon #259 Posted by 747400 on 20 December, 2010, 10:28
Personally, i'd say it seems quite a fair assumption, that the universe may indeed be teeming with life, but it can only be an assumption until - and I think this is what we ought to do - we concentrate on seriously studying other planets- not just Mars (which, although it's relatively easy to get to, is probably not (now, although it may have been once) conducive to life). And Venus as well, and even Jupiter if we're likely to be able to get there in a reasonable length of time. Places that we've always considered the idea of life of some sort would be absolutely ludicruous; and that's not ev... [More]
Comment icon #260 Posted by lost_shaman on 20 December, 2010, 17:57
Wolfe-Simon et. al., have posted a "response to questions" regarding their recent paper. Response to Questions Concerning the Science Article, “A Bacterium That Can Grow by Using Arsenic Instead of Phosphorus” -As of December 16, 2010- http://ironlisa.com/gfaj/GFAJquestions_Response_16Dec2010.pdf


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