27 Feb
2008
Ancient oceans sparked spread of complex life
The rise of oxygen and the oxidation of deep oceans between 635 and 551 million years ago may have had an impact on the increase and spread of the earliest complex life, including animals, as per a research studypublished in the Proceedings of the National Academy of Sciences online Early Edition during the week of February 25 29........
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Wednesday, February 27th, 2008 at 12:38 am under
