Short of developing language (and there are a few researchers who believe that chimps can also manage that), it is hard to see what more man's closest relatives could possibly be required to do to be admitted to the culture club.

ECONOMIST: Chimpanzee behaviour: Culture club | The

So when the family of an elderly woman insisted that she be admitted to the hospital after stroke-like symptoms, he agreed to do so, even though her test results were negative and he wanted to send her home.

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