Microbes often display cooperative behavior in which individual cells put in work and sacrifice resources to collectively ...

SOUTH EUCLID, Ohio -- A riddle of a question was posed to our class by a sociology professor at Tri-C when I was a freshman, long ago. We had to break down in groups -- fittingly -- to try to tackle ...

We live in the most peaceful time in our species’ existence and global cooperation has expanded to unprecedented levels. Yet, sometimes cooperation breaks down and we witness unexpected conflicts.

How did cooperative behavior prevail in human evolution? Researchers have challenged two prevailing explanations -- repeated interactions on the one hand or group competition on the other. Instead, ...