Friendship is the single most important factor influencing our health, well-being, and
happiness. Creating and maintaining friendships is, however, extremely costly, in terms of …

Innovation is often assumed to be the work of a talented few, whose products are passed on
to the masses. Here, we argue that innovations are instead an emergent property of our …

" A dazzlingly erudite synthesis of history, philosophy, anthropology, genetics, sociology,
economics, epidemiology, statistics, and more"(Frank Bruni, The New York Times), Blueprint …

Behavioral scientists routinely publish broad claims about human psychology and behavior
in the world's top journals based on samples drawn entirely from Western, Educated …

Social networks show striking structural regularities,, and both theory and evidence suggest
that networks may have facilitated the development of large-scale cooperation in humans …

Across species, social hierarchies are often governed by dominance relations. In humans,
where there are multiple culturally valued axes of distinction, social hierarchies can take a …

Where did we come from? What is our connection with other life forms? What are the
mechanisms of mind that define what it means to be a human being? Evolutionary …

Humans are an intensely social species, frequently performing costly behaviors that benefit
others. Efforts to solve the evolutionary puzzle of altruism have a lengthy history, and recent …

The Handbook of Methods in Cultural Anthropology, now in its second edition, maintains a
strong benchmark for understanding the scope of contemporary anthropological field …

I discuss the function of social identity signaling in facilitating cooperative group formation,
and how the nature of that function changes with the structure of social organization. I …