We present evidence that people in small‐scale mobile hunter‐gatherer societies
cooperated in large numbers to produce collective goods. Foragers engaged in large‐scale …

An evolutionary transition in individuality (ETI) occurs when a previously independent
organism becomes a lower level unit within a higher hierarchical level (for example, cells in …

Fines, corporal punishments, and other procedures of punitive justice recur across small-
scale societies. Although they are often assumed to enforce group norms, we here propose …

Cultural and evolutionary explanations are often seen as rivals in the social sciences. It is
therefore not surprising that these perspectives have also communicated little in leadership …

Neanderthals hunted and butchered straight-tusked elephants, the largest terrestrial
mammals of the Pleistocene, in a lake landscape on the North European plain, 125,000 …

In psychological research, there are often assumptions about the conditions that children
expect to encounter during their development. These assumptions shape prevailing ideas …

Researchers argue that third parties help sustain human cooperation, yet how they
contribute remains unclear, especially in small-scale, politically decentralized societies …

While some species have affiliative and even cooperative interactions between individuals
of different social groups, humans are alone in having durable, positive-sum, interdependent …

For more than 150 years, global perspectives on the mobile to sedentary transition have
been framed by deeply entrenched categorical assumptions that have effectively blinded …

Inequality is increasingly recognized as a major problem in contemporary society. The
causes and consequences of inequality in wealth and power have long been central …