Beyond good and evil, or how to create the dark in which to whistle.
D001887:Boredom; D006801:Humans; D008019:Life Style; D009014:Morals; D010287:Parent-Child Relations; D011156:Population Density; D012725:Sexual Behavior; D012919:Social Behavior; D019966:Substance-Related Disorders; D014507:Urbanization