The idea that most changes in a genotype are neutral -- that they do not affect the phenotype or only affect the phenotype in a fitness-neutral way (see Genotype-Phenotype Mapping. This provides for wider exploration of the search space making it easier to find a genotype which requires only a small change to improve fitness of the resulting phenotype.
Roland does a lot with Neutral Evolution, and others are doing a lot with it too.
By popular demand, the #ruby translation from #perl6 original, https://gist.github.com/awwaiid/115d8d270c43011b5d24e9566147b13d …
My entry for the company's NCAA bracket https://gist.github.com/awwaiid/32ef1d2110ccceee3d0cb839546ae055 … #perl6 #NCAATournament #bracketology
Ruby Magic 8 Ball exercise from #retroruby yesterday https://gist.github.com/awwaiid/ccae9a28227dfa1ff871c42218fe8ff1 …