Koko, the gorilla who mastered sign language, died at the age of 46. Koko, the gorilla who mastered sign language and became a pop-culture phenomenon, will be laid to rest Saturday in a ceremony at an ...
Koko the gorilla, famous for learning how to speak using sign language with her human trainer, has died at the age of 46. The rest of this article is behind a paywall. Please sign in or subscribe to ...
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