In the 1960s and 70s, a group of chimpanzees astonished the world by learning sign language. Only two remain and one question ...
What if the ability to communicate was less about hearing and more about seeing, observing, and connecting? Sign language may ...
Humans' unique language capacity was present at least 135,000 years ago, according to a survey of genomic evidence. As such, language might have entered social use 100,000 years ago. It is a deep ...
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