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Martin Melzer
 
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Abiogenesis and the Tooth Fairy

15 June 2014, 21:45
Abiogenesis is a word used to describe the idea that  living organisms may have developed "spontaneously."   ie. Abiogenesis tries to sketch a chemical pathway, from a grain of sand to the first living organism.  

A coherent explanation for the origin of life by Abiogenesis, is of course critical to those who reject  Intelligent design and who seek to award themselves the Scientific high ground in the God /no God debate

An explanation for the Abiogenesis of even the most primitive single cell organism, has to cover 3  broad stages.

1)  the development of organic molecules from inorganic chemicals,
2) the move from organic monomers to biologically active polymers
3) the incorporation of biologically active  polymers within a cell wall.

Although "chemical evolution" of some sort has been proposed since 1927 and before, there is still  no single, coherent  model for Abiogenesis .

In fact, Wikipedia lists  19 different,  unrelated  "works" under the sub-heading Current Models, with several more (like the Miller-Urey experiment)  apparently no longer current.

It is beyond the scope of this piece to examine each one individually. However on reading through them, it is immediately obvious that the  majority address only the first or second stage mentioned above and no single proposal addresses  all three stages, let alone explains them with  scientific certainty.

The most common words you  read are "may be" , "thought to be" and "the evidence suggests." 

Therefore, although  clothed  in scientific terms, Abiogenesis remains a highly speculative notion.   Despite almost a century  of scientific effort, there is  as much real proof that life developed spontaneously as the cat in the moon.

Or the tooth fairy.
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