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 ...

Researchers have demonstrated that intensified environmental variability (EV) can promote the evolution of cooperation through simulation based on evolutionary game theory. This result offers a new ...

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, ...

But China-US counter-narcotics cooperation has not been smooth — transitioning from pressure to dialogue, and from politicized disputes back to cooperation. Yet every renewed round of dialogue and ...

Cooperation has been a more important evolutionary jorce in the development of man than has the bitter competitive struggle for existence. So asserted a learned U.S. biologist last week in an attack ...

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 ...

Every two minutes or so, all over the world, someone asks someone else for a small favor. Pass the salt, wipe the counter, turn on the light — the microscale transactions of daily life. No big deal, ...

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 ...