Oxygen oasis in Antarctic lake reflects Earth in distant past — ScienceDaily

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.

Source: Oxygen oasis in Antarctic lake reflects Earth in distant past — ScienceDaily

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