Although cooperation is a widespread phenomenon in nature, human cooperation exceeds
that of all other species with regard to the scale and range of cooperative activities. Here we …

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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 …

Brian Skyrms presents a fascinating exploration of how fundamental signals are to our
world. He uses a variety of tools—theories of signaling games, information, evolution, and …

The scientific study of networks-computer, social, and biological-has received an enormous
amount of interest in recent years. However, the network approach has been applied to the …

Collective behaviour, social interactions and leadership in animal groups are often driven by
individual differences. However, most studies focus on same-species groups, in which …

We asked how team dynamics can be captured in relation to function by considering games
in the first round of the NBA 2010 play-offs as networks. Defining players as nodes and ball …

Bottlenose dolphins in Shark Bay, Australia, live in a large, unbounded society with a fission–
fusion grou** pattern. Potential cognitive demands include the need to develop social …

Intraspecific group hunting has received considerable attention because of the close links
between cooperative behaviour and its cognitive demands. Accordingly, comparisons …

Division of labor is a complex phenomenon observed throughout nature. Theoretical studies
have focused either on its emergence through self-organization mechanisms or on its …