Chimpanzees and Bonobos Use Hugs, Kisses and Friendly Pats to Keep the Peace, Just Like Humans, a New Study Suggests https://www.smithsonianmag.com/smart-news/chimpanzees-and-bonobos-use-hugs-kisses-and-pats-to-keep-the-peace-just-like-humans-a-new-study-suggests-180989192/ #science