Oxygen oasis in Antarctic lake reflects Earth in distant past

1 septiembre 2015

At the bottom of a frigid Antarctic lake, a thin layer of green slime is generating a little oasis of oxygen, a team of researchers has found. It’s the first modern replica discovered of conditions on Earth two and a half billion years ago, before oxygen became common in the atmosphere.
http://www.sciencedaily.com/releases/2015/09/150901140759.htm

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