Can apes play pretend? Scientists use an imaginary tea party to find out
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This undated photo provided by the Ape Initiative shows Kanzi, a bonobo who learned to communicate with humans, in Des Moines, Iowa. (Ape Initiative via AP)
This undated photo provided by the Ape Initiative shows Kanzi, a bonobo who learned to communicate with humans, in Des Moines, Iowa. (Ape Initiative via AP)