Superfreakonomics has a very interesting chapter on the research of Keith Chen on Capuchin Monkeys.  He tries to teach them the value of a dollar!

Superfreakonomics has a very interesting chapter on the research of Keith Chen on Capuchin Monkeys. He tries to teach them the value of a dollar!

Superfreakonomics has a very interesting chapter on the research of Keith Chen on Capuchin Monkeys.&nbsp; He tries to teach them the value of a dollar!

Capuchin Monkeys & Money

These are the rambling rants and stream of consciousness of the world as Leon sees it.  Inspired by “Penn Says.”<br/><br/>

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These are the rambling rants and stream of consciousness of the world as Leon sees it. Inspired by “Penn Says.”

These are the rambling rants and stream of consciousness of the world as Leon sees it.&nbsp; Inspired by “Penn Says.”<br><br>

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Capuchin Monkeys & Money

Capuchin Monkeys & Money