My Life and my Poems
Thursday, February 20, 2014
ANINEWS
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Oxygen may have first accumulated on Earth 3 bln years ago
Zee News
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20 minutes ago
Washington: Oxygen production by photosynthetic cyanobacteria may have initiated as early as three billion years ago, much earlier than previously thought, scientists say.
Oxygen may have first accumulated in Earth's atmosphere 3 bln years ago
Business Standard
Great Oxidation Event 'a misnomer'
ABC Science Online
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