As humans evolved to hunt, gather and share food, cooperation provided a key to our success as a species. While chimpanzees and other primates sometimes share food, humans stand out. As hunter-gatherers—the subsistence strategy that all humans followed until the invention of agriculture—our survival depended on daily sharing of food between unrelated adult males and females.
Click here for original story, New insights into the origin of food sharing among humans
Source: Phys.org