fromThe New Yorker
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Jane Goodall, the late primatologist, was known for her imitations of chimpanzee greetings. When she met with Prince Harry, in 2019, she approached him slowly, making panting noises through circular lips. She prompted him to pat her lightly on the head, then reached up for an embrace, making soft hooting sounds. During her career, Goodall observed chimps engaging in more than a thousand such greetings. They sometimes touched their lips together, breathed into one another's open mouths, or stood on two legs and hugged.
Science