Recent research on empathy in humans and other mammals seeks to dissociate emotional
and cognitive empathy. These forms, however, remain interconnected in evolution, across …

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

Two major types of aggression, proactive and reactive, are associated with contrasting
expression, eliciting factors, neural pathways, development, and function. The distinction is …

Host-associated microbiomes play an increasingly appreciated role in animal metabolism,
immunity and health. The microbes in turn depend on their host for resources and can be …

The nature of inter-group relations among prehistoric hunter-gatherers remains disputed,
with arguments in favour and against the existence of warfare before the development of …

Cooperation beyond familial and group boundaries is core to the functioning of human
societies, yet its evolution remains unclear. To address this, we examined grooming …

Evolutionary anthropologists seek to understand the evolution of warfare across multiple
timescales, from the roots of warfare in the intergroup aggression of our primate ancestors …