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‘KEY OUT’: When a chimpanzee asks to be free
‘KEY OUT’: When a chimpanzee asks to be free

A chimpanzee named Bruno had been taught American Sign Language. But instead of answering the researcher’s question, he signed two words: KEY OUT. The researcher asked him to sign again. Bruno shifted his body so that he was facing him more directly and raised his hands to make his meaning unmistakable. OUT KEY OUT. The researcher understood. He signed back: CAN’T SORRY CAN’T. Bruno’s shoulders dropped, and he walked to the back of his cage. Bruno understood that he was confined. He knew that a key could open the cage. He wanted to leave, and he deliberately communicated that desire to […]

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‘KEY OUT’: When a chimpanzee asks to be free
‘KEY OUT’: When a chimpanzee asks to be free
The Hidden Cost of Progress: Confronting the reality of animal exploitation
The Hidden Cost of Progress: Confronting the reality of animal exploitation
‘Requiem for Animals’: How classical music can become a powerful force for animal advocacy
‘Requiem for Animals’: How classical music can become a powerful force for animal advocacy
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