What allowed us to thrive while other humans went extinct was a kind of cognitive superpower: a particular type of friendliness called cooperative communication. We are experts at working together with other people, even strangers. We can communicate with someone we've never met about a shared goal and work together to accomplish it.
— Brian Hare and Vanessa Woods, 2020
From the book Survival of the Friendliest: Understanding our Origins and Rediscovering our Common Humanity