During the prologue, a narrator (Earl Mann) explains the story's premise: that in modern society, natural selection is indifferent toward intelligence, with the result that in the future, stupid people (who reproduce more often) will greatly outnumber the intelligent.
During the prologue, a narrator (Earl Mann) explains the story's premise: that in modern society, natural selection is indifferent toward intelligence. Because there is no more predators or enemy to thin the human population, hence in the future, stupid people (who reproduce more often) will greatly outnumber the intelligent.