Beebe (2005) "Easy to put needle in haystack, but much harder to remove it." Public-key cryptography given one of public or prevate key it is hard to determine the other. Arora (2006) "Brilliance = Ability to find needle in a haystack" When individuals are allowed a local search around where they locate (lifetime learning), the number of individual necessary to finally reach to the needle is much smaller than when no local search but from a practical point of view total points to be explored are the same more or less Mills & watson (2005), "This means that the organisms do not have to recognise their own success (as is implicit in H&Nfs model). hill-climing will not be possible if no such hill [google] (Software-engineering needle-in) Finding a Needle in the Haystack: A Technique for Ranking Matches between Components Naiyana Tansalarak, Kajal Claypool A-Technique-for-Ranking-Matches-between-Components