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[NewScientist] Antarctic lake beneath ice harbors life cut off from world for millenia

post #1 of 36
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Quote:
It is seven times as salty as the sea, pitch dark and 13 degrees below freezing. Lake Vida in East Antarctica has been buried for 2800 years under 20 metres of ice, but teems with life.

SOURCE http://www.newscientist.com/article/dn22535-lake-life-survives-in-total-isolation-for-3000-years.html


Very interesting. I am eagerly awaiting news on Lake Vostok as that would have much bigger implications for life elsewhere in the universe. The first reading from Vostok revealed no life.
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post #2 of 36
lets just hope we dont unleash and ancient strain of flesh eating virus lol
post #3 of 36
lets just hope we don't ruin these beautiful untouched environments
post #4 of 36
Now thats... Coooooooool
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post #5 of 36
Quote:
Originally Posted by Namwons View Post

lets just hope we dont unleash and ancient strain of flesh eating virus lol

Flesh eating diseases are aerobic in nature and thus would not survive in the anaerobic environments the article mentions. In addition to life cycles that include differing species, that attribute to pathogen maturation. Also take note that many flesh eating diseases are actually bacterial/protozoan in nature and not viral.

I would be more afraid of such a virus similar to rabies. But like with all isolated environments, without an ample host supply -resistant to death en masse, the possibility of such devastating virus is nil. More likely is some variant of archaebacteria that probably forms a tight knit symbiosis of whatever is down there.
Edited by Blindrage606 - 11/27/12 at 12:47pm
 
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post #6 of 36
I wonder where the source of energy for the life in the lake comes from, geothermic?
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post #7 of 36
Hope we didn't kill it by letting in oxygen.
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post #8 of 36
Quote:
Originally Posted by ZTR1760 View Post

I wonder where the source of energy for the life in the lake comes from, geothermic?

Geothermic, sure. Lakes have a natural overturn in which nutrients -carbon matter from the bottom return to the top in an event called seasonal upwelling. The driving force behind this is the magnetic force of mantle vs core and directional forces, present even in isolated lakes.
 
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post #9 of 36
Quote:
Originally Posted by ZTR1760 View Post

I wonder where the source of energy for the life in the lake comes from, geothermic?
4th paragraph, 2nd sentence - it says "probably" though.
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post #10 of 36
Quote:
Originally Posted by Blindrage606 View Post

Flesh eating diseases are aerobic in nature and thus would not survive in the anaerobic environments the article mentions. In addition to life cycles that include differing species, that attribute to pathogen maturation. Also take note that many flesh eating diseases are actually bacterial/protozoan in nature and not viral.
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There's water, so it's not an anaerobic environment. Fish don't need air, but they're still aerobic organisms.
    
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