Teach me: Forms of Life
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11-12-2013, 03:33 PM
RE: Teach me: Forms of Life
(11-12-2013 02:47 PM)jaguar3030 Wrote:  It is an interesting topic for discussion, and the reality is, we don't know. NASA found that they could substitute phosphourous for arsenic in a particular single celled organism. The organism was able to use arsenic much the same as it did phosphorous.

The link won't load for me, so I may have to just google this....but did they get the DNA phosphate groups replaced with arsenic as well? Because if so, I will be angry that this wasn't front page news.

Or just angry at myself that I missed it. Tongue

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11-12-2013, 03:41 PM
RE: Teach me: Forms of Life
https://en.wikipedia.org/wiki/Radiotrophic_fungus

Ooooh!

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11-12-2013, 03:43 PM
RE: Teach me: Forms of Life
(11-12-2013 03:41 PM)cheapthrillseaker Wrote:  https://en.wikipedia.org/wiki/Radiotrophic_fungus

Ooooh!

Did you share this because it shares a science fiction-y theme? :?

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11-12-2013, 03:45 PM
RE: Teach me: Forms of Life
(11-12-2013 03:33 PM)Cephalotus Wrote:  
(11-12-2013 02:47 PM)jaguar3030 Wrote:  It is an interesting topic for discussion, and the reality is, we don't know. NASA found that they could substitute phosphourous for arsenic in a particular single celled organism. The organism was able to use arsenic much the same as it did phosphorous.

The link won't load for me, so I may have to just google this....but did they get the DNA phosphate groups replaced with arsenic as well? Because if so, I will be angry that this wasn't front page news.

Or just angry at myself that I missed it. Tongue

Yes. =)

"The bacterium appears to have incorporated a form of arsenic into its cellular machinery, and even its DNA, scientists report online Dec. 2 in Science."

http://www.wired.com/wiredscience/2010/1...life-form/
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11-12-2013, 03:52 PM
RE: Teach me: Forms of Life
(11-12-2013 03:45 PM)jaguar3030 Wrote:  
(11-12-2013 03:33 PM)Cephalotus Wrote:  The link won't load for me, so I may have to just google this....but did they get the DNA phosphate groups replaced with arsenic as well? Because if so, I will be angry that this wasn't front page news.

Or just angry at myself that I missed it. Tongue

Yes. =)

"The bacterium appears to have incorporated a form of arsenic into its cellular machinery, and even its DNA, scientists report online Dec. 2 in Science."

http://www.wired.com/wiredscience/2010/1...life-form/

Not only did I miss this, but I missed it 3 years ago. No

http://science.nasa.gov/science-news/sci..._monolake/

Pardon me whilst I fall upon my own sword....

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14-12-2013, 05:22 AM
RE: Teach me: Forms of Life
(11-12-2013 11:27 AM)kingschosen Wrote:  Why does life have to come from carbon?

God likes carbon.

Seriously though. I have often wondered why self replicating molecules/things haven't formed form other elements. Carbon is clearly the best because it is a chemical "slut" and someone else eloquently put it. Nevertheless you would think similar processes would be observed(to a lessor degree) with other elements.
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14-12-2013, 05:51 AM
RE: Teach me: Forms of Life
(14-12-2013 05:22 AM)Heywood Jahblome Wrote:  
(11-12-2013 11:27 AM)kingschosen Wrote:  Why does life have to come from carbon?

God likes carbon.

Seriously though. I have often wondered why self replicating molecules/things haven't formed form other elements. Carbon is clearly the best because it is a chemical "slut" and someone else eloquently put it. Nevertheless you would think similar processes would be observed(to a lessor degree) with other elements.

Other elements can't bond such a variety of ways as carbon.
We don't see other elements acting like carbon because they can't.

Skepticism is not a position; it is an approach to claims.
Science is not a subject, but a method.
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14-12-2013, 06:05 AM
RE: Teach me: Forms of Life
(14-12-2013 05:51 AM)Chas Wrote:  
(14-12-2013 05:22 AM)Heywood Jahblome Wrote:  God likes carbon.

Seriously though. I have often wondered why self replicating molecules/things haven't formed form other elements. Carbon is clearly the best because it is a chemical "slut" and someone else eloquently put it. Nevertheless you would think similar processes would be observed(to a lessor degree) with other elements.

Other elements can't bond such a variety of ways as carbon.
We don't see other elements acting like carbon because they can't.

It would be one thing if carbon was the only element that could bond with other elements....but this is not the case. Carbon does it more readily, but other elements still do it....so why don't we see life...just to a lessor extent with other bases? Maybe life is contrived.

I also find it interesting that the formation of carbon itself has the appearance of being contrived. Fred Hoyle, a staunch atheist, discovered the tri-alpha process by which carbon is created. Commenting on his discovery he remarked that it appeared that some super intelligence had monkeyed with the laws of physics.
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14-12-2013, 06:23 AM
RE: Teach me: Forms of Life
(14-12-2013 06:05 AM)Heywood Jahblome Wrote:  Commenting on his discovery he remarked that it appeared that some super intelligence had monkeyed with the laws of physics.

It gotta be true 'cos Fred Hoyle said so. Oh well, that's alright then. Can't be atheist no more. Rolleyes

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(06-02-2014 03:47 PM)Momsurroundedbyboys Wrote:  And I'm giving myself a conclusion again from all the facepalming.
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14-12-2013, 07:03 AM
RE: Teach me: Forms of Life
(14-12-2013 06:23 AM)morondog Wrote:  
(14-12-2013 06:05 AM)Heywood Jahblome Wrote:  Commenting on his discovery he remarked that it appeared that some super intelligence had monkeyed with the laws of physics.

It gotta be true 'cos Fred Hoyle said so. Oh well, that's alright then. Can't be atheist no more. Rolleyes

Its only true that the tri-alpha process which produces carbon appears to be contrived...not that it is contrived.....and even that claim is subjective.

There's still room for your atheism in the world.
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