When human ancestors gave up a nomadic way of life to farm the land, they gathered in small communities where they could share some of their skills.
These early societies, known as chiefdoms, sowed the seeds of modern human civilization.
Now a unique study of archaeological data has shown that the organization and symbols of power in these chiefdoms varied greatly. The finding provides tantalizing insight into how and why certain social structures developed.
The article doesn't seem to be online yet. Definitely must-read though.