Robert with Onan signing "hat". Source: Robert Ingersoll, with permission. I recently learned of a book by Robert Ingersoll and Antonina Anna Scarnà titled Primatology, Ethics, and Trauma: The ...
A rescue cat using "sign language" when hungry has taken over TikTok. In a clip shared by user @ohcharliecat on January 24, a ginger tabby called Charlie can be seen putting his paws together and ...
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 ...
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