GreenKirby
Smash Master
http://www.huffingtonpost.com/2010/12/02/nasa-announcement-live-ne_n_791166.html
It's basically airing now.
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New (terrestrial) Life Form Discovered
- Thread starter GreenKirby
- Start date
It's basically airing now.
This is really awesome. What they found is a type of bacteria that can take Arsenic and use it to replace the Phosphorus in their DNA. Up to this point, every single living thing we knew of on earth had the same type of DNA (with Phosphorus in their DNA). These bacteria have a completely different type of DNA than everything else we know of. This opens up a whole new world of possibilities for other life in the universe, as life "as we know it" is not necessarily the only type of life possible.
deepseadiva
Bodybuilding Magical Girl
Not aliens. 
deepseadiva
Bodybuilding Magical Girl
One question I have though is: since this is pertaining to Earthly biology, why is NASA announcing it?
#HBC | Acrostic
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- Joined
- Jan 31, 2010
- Messages
- 2,452
One of the phosphate groups in question are the ones responsible for the phosphate-sugar covalent bond that forms the backbone to the DNA molecule. Evolution requires a DNA molecule in order to inflict change. It has been scientific dogma that DeoxyriboNucleic Acid contains three core elements: (1) deoxyribose sugar, (2) phosphate head, and (3) nucleic base. This assumption has driven the basic molecular biological assumption behind evolution.
¯\_S.(ツ).L.I.D._/¯
Smash Legend
Wow, this is pretty awesome.
I'm interested to know how an organism like this has been successful and actually survived. I would assume that an arsenic backbone is less stable than a phosphorous backbone. I know that the bacterium uses phosphorous if it's present, but the fact that it can incorporate arsenic when it's not is surprising. This must mean that other organisms in the lake/region it was found might also have the same machinery?
Colonel Cuddles
Smash Journeyman
I always knew there were other forms of life. Now I can finally justify my UFO insurance!
![Terywj [태리]](/data/avatars/l/71/71007.jpg?1555906021){kind=avatar}
Terywj [태리]
Charismatic Maknae~
I heard about this. Really shakes the central structuring of "C.H.O.N.S.P." right down to the core.
Pretty amazing find, I'd say.
Pretty amazing find, I'd say.
-Jumpman-
Smash Champion
Dutch seem to disagree.
D
Deleted member
Guest
This.
I have to double check the exact data but the NASA experiment was that the organism was able to survive in very high arsenic concentrations. It does suffer from the shortage of phosphor
the phosphor was definitely not replaced by arsenic in it's entirety, or even by a major amount.
there's a bunch of Dutch sources but I also found this one:
http://rrresearch.blogspot.com/2010/12/arsenic-associated-bacteria-nasas.html
Claire Diviner
President
So a life form that is unlike anything seen on Earth? I am a bit late on this topic, so I wondering exactly where this creature was discovered. Either way, I find it fascinating that we still have tons of things to discover on our own planet, let alone outer space.
It was found in California, but apparently there's been a lot of talk that the science was faulty and this may not actually be true.
TigerWoods
Smash Champion
Well that's still a good thing.
All discoveries must be checked and rechecked 10x over before we can safely add it to the textbooks.
YAY FOR SKEPTICISM!
theeboredone
Smash Legend
Fuelbi
Banned via Warnings
Somebody finally ****ing did it thank you theeboredone