These five facts distinguish intelligent people. According to a scientific study, you probably have an above-average IQ.
People with a penchant for black humor often possessed high verbal and non-verbal intelligence. They swear a lot and violently – at least up to a certain age. They are hopelessly chaotic – your desk and your apartment look as if a wild boar had fought territorial battles with a brown bear. They don't think they're smart – it has been considered a sign of intelligence not to overestimate one's competence.