This haunts me. Gorillas and chimps are crazy smart and can be taught sign language, so why can’t they speak? They have human-like mouths and they’re obviously vocal, so why don’t they at least have the vocabulary of a toddler?
In:
The sign language is overstated. You can teach them to make signal for a product. But have you ever seen anybody have conversation with any ape via sign language?
Latest Answers