Experimental games model situations in which the future outcomes of individuals and
groups depend on their own choices and on those of other (groups of) individuals. Games …

Humans acquire much of their knowledge from the testimony of other people. An
understanding of the way that information can be conveyed via gesture and vocalization is …

The challenge of studying human cognitive evolution is identifying unique features of our
intelligence while explaining the processes by which they arose. Comparisons with …

Psychology has traditionally seen itself as the science of universal human cognition, but it
has only recently begun seriously grappling with cross-cultural variation. Here we argue that …

In recent decades, a burgeoning literature has documented the cultural transmission of
behavior through social learning in numerous vertebrate and invertebrate species. One …

Social norms are patterns of behavior that are self-enforcing within a group: Everyone
conforms, everyone is expected to conform, and everyone wants to conform when they …

From an evolutionary perspective, morality is a form of cooperation. Cooperation requires
individuals either to suppress their own self-interest or to equate it with that of others. We …

I review evidence that individuals associate themselves—or identify—with groups in two
fundamental ways: ingroup bias and conformity to group norms. The evidence spans many …

Standards and standardization aim to render the world equivalent across cultures, time, and
geography. Standards are ubiquitous but underappreciated tools for regulating and …

Humanity has regarded itself as intellectually superior to other species for millennia, yet
human cognitive uniqueness remains poorly understood. Here, we evaluate candidate traits …