Forgive me if you’ve already reddit, but I thought this was interesting enough to put down. In this article, New York Times reporters Stephen Dubner and Steven Levitt document Keith Chen’s attempts to introduce money to capuchin monkeys. This leads, in time to economics, gambling, thievery, bank heists, and prostitution. I don’t think anything more needs to be said.
Monkeys introduced to currency, goes as well as can be expected (QP)