A Vending Machine for Crows?

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Hacker and writer Joshua Klein is fascinated by crows. They are highly intelligent, adaptable and show their ingenious use of tools. After 10 years of amateur study of their behavior, Klein came up with an elegant machine that may form a new bond between animal and human. It’s his Crow Vending Machine. Watch what happens as the crows figure out how to use it. (9:40)

 

 

 

 

 

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