Intense sociality has been a catalyst for human culture and civilization, and our social
relationships at a personal level play a pivotal role in our health and well-being. These …

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 impact of the Internet across multiple aspects of modern society is clear. However, the
influence that it may have on our brain structure and functioning remains a central topic of …

Music comprises a diverse category of cognitive phenomena that likely represent both the
effects of psychological adaptations that are specific to music (eg, rhythmic entrainment) and …

In this book, Robert L. Kelly challenges the preconceptions that hunter-gatherers were
Paleolithic relics living in a raw state of nature, instead crafting a position that emphasizes …

In the songs and bubble feeding of humpback whales; in young killer whales learning to
knock a seal from an ice floe in the same way their mother does; and in the use of sea …

We use data on frequencies of bi-directional posts to define edges (or relationships) in two
Facebook datasets and a Twitter dataset and use these to create ego-centric social …

The social brain hypothesis has suggested that natural social network sizes may have a
characteristic size in humans. This is determined in part by cognitive constraints and in part …

Social networks show striking structural regularities,, and both theory and evidence suggest
that networks may have facilitated the development of large-scale cooperation in humans …

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 …