Friendship is the single most important factor influencing our health, well-being, and
happiness. Creating and maintaining friendships is, however, extremely costly, in terms of …

The premise of the standard regulatory model,“homeostasis”, is flawed: the goal of
regulation is not to preserve constancy of the internal milieu. Rather, it is to continually adjust …

Moving in synchrony leads to cooperative behavior and feelings of social closeness, and
dance (involving synchronization to others and music) may cause social bonding, possibly …

Communal eating, whether in feasts or everyday meals with family or friends, is a human
universal, yet it has attracted surprisingly little evolutionary attention. I use data from a UK …

The question as to why primates have evolved unusually large brains has received much
attention, with many alternative proposals all supported by evidence. We review the main …

Literature Cited to accompany Animal Communication, 2e Page 1 Principles of Animal
Communication, Second Edition Jack W. Bradbury and Sandra L. Vehrencamp Chapter 14 …

Recent data suggest that the human body is not such a neatly self-sufficient island after all. It
is more like a super-complex ecosystem containing trillions of bacteria and other …

Grooming is a widespread activity throughout the animal kingdom, but in primates (including
humans) social grooming, or allo-grooming (the grooming of others), plays a particularly …

Never before have we experienced social isolation on such a massive scale as we have in
response to coronavirus disease 2019 (COVID-19). However, we know that the social …

Convergent evidence from many species reveals the evolutionary origins of human
friendship. In horses, elephants, hyenas, dolphins, monkeys, and chimpanzees, some …