Monkeys can be taught to make use of cash. Capuchins that have been taught to…

Monkeys can be taught to make use of cash. 

Capuchins that have been taught to alternate silver discs for treats started budgeting for meals they appreciated, shopping for extra of one thing when the worth dropped, and began playing. Finally, there was an incident the place ‘cash’ was stolen, and the wealthy monkeys even discovered they might pay one another for intercourse. 

(Supply, Supply 2)

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