english: They were so successful in evolution that what we did was to duplicate them over and over and add more and more of them to the brain until we ran out of space in the skull.
non_english: V evolúcii boli natoľko úspešné, že sme ich duplikovali, znova a znova, a pridávali viac a viac do mozgu kým sme spotrebovali priestor v lebke.