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Old 02-23-2010, 03:53 PM   #1
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Default 80-year Theory of Primordial Soup Origin of Life Rejected

80-year Theory of Primordial Soup Origin of Life Rejected
Scientific Computing

http://scientificcomputing.com/news-IN-80-year-Theory-of-Primordial-Soup-Origin-of-Life-Rejected-020410.aspx
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For 80 years, it has been accepted that early life began in a 'primordial soup' of organic molecules before evolving out of the oceans millions of years later. Today, the 'soup' theory has been challenged in a paper in BioEssays that claims it was the Earth's chemical energy, from hydrothermal vents on the ocean floor, which kick-started early life.

"Textbooks have it that life arose from organic soup and that the first cells grew by fermenting these organics to generate energy in the form of ATP. We provide a new perspective on why that old and familiar view won't work at all," said team leader Nick Lane from University College London. "We present the alternative that life arose from gases (H2, CO2, N2, and H2S) and that the energy for first life came from harnessing geochemical gradients created by mother Earth at a special kind of deep-sea hydrothermal vent one that is riddled with tiny interconnected compartments or pores...
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80year, bioessays, chemical energy, earth, evolution, geochemical gradients, hydrothermal vents, life, ocean floor, organic molecules, origin, primordial, primordial soup, rejected, soup, theory

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