![c0bbea5429345085ce4c12341f2493ef](https://utterbuzz.com/wp-content/uploads/2021/08/c0bbea5429345085ce4c12341f2493ef.jpg)
You don’t walk up to a coworker without some sort of greeting, and you don’t end conversations simply by turning heel. There are rules to the game of social behavior, and now a research team studying chimpanzees and bonobos say those great apes have social habits that look a lot like what we humans call “hello” and…