In Brazil, prison inmates can reduce their sentence by 4 days (up to 48 days a year) for every book they read and write a report on.
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In the Bemba tribe of southern Africa, if someone does something hurtful, they take the person to the center of the town where the entire tribe comes and surrounds them. For two days they tell him every good thing he has ever done, because they believe that every person comes into the world as good.
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In 2010, police in Belfast, Northern Ireland, used ice cream van music to calm angry teen rioters - and it worked!
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