HumansSix-year-olds will pay to see bad guys get their comeuppance Children as young as 6 have a thirst for vengeance. From this age, kids will willingly give up prized possessions to see a mean puppet get beaten up News
HumansWhat makes you a psychopath or an extreme altruist?Psychopathy and altruism seem to be poles apart, but in her book The Fear Factor Abigail Marsh suggests how one can explain the otherCulture