In this article, we review some of the most provocative experimental results to have emerged
from comparative labs in the past few years, starting with research focusing on contingency …

Recent claims of culture in great apes have provoked fervent argument about the
'true'definition of culture, most of which has been unhelpful. Instead, a range of definitions …

Selecting appropriate foods is a complex and evolutionarily ancient problem, yet past
studies have revealed little evidence of adaptations present in infancy that support …

How do chimpanzees say,'I want to have sex with you?'By clipping a leaf or knocking on a
tree trunk? How do they eat live aggressive ants? By using a short stick with one hand or …

Empirical research with nonhuman primates appears to support the view that causal
reasoning is a key cognitive faculty that divides humans from animals. The claim is that …

Elephants have fascinated humans for millennia. Aristotle wrote of them with awe; Hannibal
used them in warfare; and John Donne called the elephant “Nature's greatest masterpiece …

The capacity to reason about the false beliefs of others is classically considered the
benchmark for a fully fledged understanding of the mental lives of others. Although much is …

The present work is part of a decade-long study on the spontaneous use of stones for
cracking hard-shelled nuts by a semi-free-ranging group of brown capuchin monkeys …

Does our ability to visually identify everyday objects rely solely on access to information
about their appearance or on a more distributed representation incorporating other object …

Nonhuman animals steeply discount the future, showing a preference for small, immediate
over large, delayed rewards [1–5]. Currently unclear is whether discounting functions …