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Antarctic microbes hold clue to Earth's oxygen

At the bottom of an icy Antarctic lake, a thin, slimy layer of bright green microbes is generating a tiny oasis of oxygen that might give a picture of what early Earth looked like before oxygen became common in the atmosphere. ...

dateJan 20, 2016 in Earth Sciences
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'Forbidden' substances on super-Earths

Using mathematical models, scientists have simulated the interiors of super-Earths and discovered that they may contain compounds that are forbidden by the classical rules of chemistry—these substances may increase the ...

dateDec 28, 2015 in Astronomy
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