For the first time, scientists have recorded wild monkeys in the Amazon contracting human hepatitis B virus (HBV). The ...

Of all the monkeys and apes scientists have studied, no species shows a population-level hand preference. Individual primates often have strong biases, and chimpanzees, gorillas, and a few other ...

Saliva is a bodily fluid most of us take for granted despite the significant roles it plays in aiding digestion, maintaining strong teeth and defending against oral disease. However, the evolution of ...

Primates, including humans, are among the social animals living on Earth. Their survival relies heavily on cooperation with others, alliances, the sharing of resources and other social interactions.

Abstract rules are central to human language, allowing for the generalization of grammatical rules to novel contexts. However, the evolutionary origin of the ability to learn and generalize these ...

A surprising new study suggests the earliest primates didn't originate in tropical forests but in cold, dry parts of North ...

Examples for positive, neutral and negative expressions. Copyright held by the authors. Humans perceive emotional expressions displayed by non-human primates and ...

Cellular responses that recognize and neutralize invading pathogens are an important part of survival and maintaining homeostasis—this is the basic principle of innate immunity [1]. Gnathostomes, or ...