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Oxygen, Phosphorus and Early Life On Earth

knocker

By knocker
in Space, Science & nature

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knocker Maestro

knocker

Posted
  • Location: Camborne
  • Location: Camborne
Posted

Nov. 17, 2013 — Two billion years ago Earth system was recovering from perhaps the single-most profound modification of its surface environments: the oxygenation of the atmosphere and oceans. This led to a series of major changes in global biogeochemical cycles, as a team around Aivo Lepland of the Norwegian Geological Survey NGU reports in the latest online edition of Nature Geoscience.

 

 

http://www.sciencedaily.com/releases/2013/11/131117155502.htm

 

I don't know whether it's just me but I find these videos a tad annoying if informative.

 

http://www.youtube.com/watch?v=f8gh7snSDak

 

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