Cooperation is a guiding principle of everyday life. It’s as simple as following the rules of the road when driving or holding a door for a stranger; cooperation is a fundamental aspect of human ...

Tsukuba, Japan—Previous scholars have widely proposed that the emergence of advanced cognitive abilities and sociality in humans originated in Africa during the MSA. However, the specific mechanisms ...

American Journal of Sociology, Vol. 123, No. 6 (May 2018), pp. 1601-1634 (34 pages) Status behaviors are verbal and nonverbal behaviors that elevate or lower the status of the individuals who perform ...

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, ...

In this paper, a mechanism called proximity inheritance is introduced in the birth–death process of a networked population involving the Prisoner's Dilemma game. Different from the traditional ...

The Society of Genes -- The Division of Labour -- The Prisoner's Dilemma -- Telling Hawks from Doves -- Duty and the Feast -- Public Goods and Private Gifts -- Theories of Moral Sentiments The Tribal ...

People stop their cars simply because a little light turns from green to red. They crowd onto buses, trains and planes with complete strangers, yet fights seldom break out. Large, strong men routinely ...