Experiments indicate that selection against aggression in mammals can have multiple
effects on their morphology, physiology, behaviour and psychology, and that these results …

Chimpanzees (Pan troglodytes) and bonobos (P. paniscus) are our closest living relatives,
with the human lineage diverging from the Pan lineage only around five to seven Mya, but …

A New York Times bestseller:" A passionate and convincing case for the sophistication of
nonhuman minds."—Alison Gopnik, The Atlantic Hailed as a classic, Are We Smart Enough …

While bonobos and chimpanzees are both genetically and behaviorally very similar, they
also differ in significant ways. Bonobos are more cautious and socially tolerant while …

Our understanding of human tool use comes mainly from neuropsychology, particularly from
patients with apraxia or action disorganization syndrome. However, there is no integrative …

Although the social brain hypothesis has found near-universal acceptance as the best
explanation for the evolution of extensive variation in brain size among mammals, it faces …

For anthropologists, meat eating by primates like chimpanzees (Pan troglodytes) warrants
examination given the emphasis on hunting in human evolutionary history. As referential …

Tool-use research has focused primarily on land-based animals, with less consideration
given to aquatic animals and the environmental challenges and conditions they face. Here …

Humans' two closest primate living relatives, bonobos and chimpanzees, differ behaviorally,
cognitively, and emotionally in several ways despite their general similarities. While …

Habitual reliance on tool use is a marked behavioural difference between wild robust (genus
Sapajus) and gracile (genus Cebus) capuchin monkeys. Despite being well studied and …