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Science & Technology

Ancient microbes discovered in icy lake

By T.K. Randall
November 27, 2012 · Comment icon 12 comments

Image Credit: Calee Allen / NOAA
Researchers have discovered microbes living in one of the most inhospitable places on Earth.
You would be forgiven for thinking that the freezing, dark depths of Lake Vida in Antarctica represented one of the most unlikeliest places on Earth to find living things; yet despite an environment that would seem deadly to any form of life a viable colony of microbes have managed to eke out an existence there. The discovery adds weight to the idea that life might exist below the ice on other worlds such as Jupiter's moon Europa.

"This work expands our understanding of the types of life that can survive in these isolated, cryoecosystems and how different strategies may be used to exist in such challenging environments," said study co-author Dr. Alison Murray.
Lake Vida, the largest of several unique lakes found in the McMurdo Dry Valleys, contains no oxygen, is mostly frozen and possesses the highest nitrous oxide levels of any natural water body on Earth.


Source: Science Daily | Comments (12)




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Recent comments on this story
Comment icon #3 Posted by sergeantflynn 12 years ago
Life doesn`t just SURVIVE there . It flourishes . It is their environment .
Comment icon #4 Posted by CuriousGreek 12 years ago
The world will know more important discoveries as for this issue in the future i believe
Comment icon #5 Posted by NikkiAidyn 12 years ago
Very cool.. -sits and waits for more
Comment icon #6 Posted by bison 12 years ago
Remarkable that life can exist, even flourish in these conditions. Perhaps an interesting coincidence that news of this should come out within a week of an anticipated presentation about another very cold, nearly oxygenless environment, on Mars, and the possibility that it may harbor simple forms of life, too.
Comment icon #7 Posted by JGirl 12 years ago
wow! that's amazing
Comment icon #8 Posted by Sundew 12 years ago
The article states the lake has the highest nitrous oxide level of any body of water on earth. So then, these are happy little organisms!
Comment icon #9 Posted by pestilent0ne 12 years ago
So what is the possibility that as the ice melts new microbes and bacteria being introduced into our population causing new illnesses such as say morgellons or other unknown caused illnesses?
Comment icon #10 Posted by Skeptic Chicken 12 years ago
So what is the possibility that as the ice melts new microbes and bacteria being introduced into our population causing new illnesses such as say morgellons or other unknown caused illnesses? Well, we'd have to wonder if they'd survive in temperature higher than that of their home-lake. Some bacterias go to sleep in freezing temperatures, which is why mould doesn't grow on frozen things, then they thrive in warm temperatures. I'd presume that it's vice versa for these ones that they just discovered. Thrive in cold, and sluggish in warmth.
Comment icon #11 Posted by Lava_Lady 12 years ago
Well, we'd have to wonder if they'd survive in temperature higher than that of their home-lake. Some bacterias go to sleep in freezing temperatures, which is why mould doesn't grow on frozen things, then they thrive in warm temperatures. I'd presume that it's vice versa for these ones that they just discovered. Thrive in cold, and sluggish in warmth. Perhaps initially that's true but, what if they they begin to acclimate to the warmer environment and start to mutate?! Hideous monstrosities will begin to roam the earth! At first, sightings will be rare and classified as Cryptozoological or more... [More]
Comment icon #12 Posted by Idano 12 years ago
The article states the lake has the highest nitrous oxide level of any body of water on earth. So then, these are happy little organisms! ....and happy little researchers!


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