486 Annals New York Academy of Sciences 



It is reasonable to assume that vast quantities of organic material are or 

 were formed in space from which a fraction under special circumstances was 

 the substrate for the evolution of life. To what extent radiation was involved 

 is hard to assess quantitatively at the moment but the experimental evidence 

 points to a major role in the processes leading to the creation and functioning 

 of life. 



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