Origin of Life: no oxygen (Introduction)

by David Turell @, Monday, October 07, 2013, 15:27 (4066 days ago) @ David Turell

More information on the levels of oxygen. Life started without oxygen at 3.6 billion years ago. Oxygen levels rose at 2.3 billion years ago. Discussion of the interplay of variious factors:-http://www.nytimes.com/2013/10/03/science/earths-oxygen-a-mystery-easy-to-take-for-granted.html?ref=scienceandtechnology&_r=1&


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