Whale clans use vocalizations to mark their culture

For decades, researchers and the public have been captivated by the deep-diving sperm whales, highly social animals who live in groups of mothers and calves. The whales communicate with Morse code-like series of clicks called ...

Honeybees are less likely to sting in larger groups

To sting or not to sting? An alarm pheromone plays a decisive role in bees' willingness to sting—and their group size, as scientists from the University of Konstanz have now shown

Four science-based ways to tell if your cat loves you

Even the most devoted cat owners wonder at some point, perhaps waking up in a cold sweat in the middle of the night, whether their cat really loves them. Dog people like to smugly point out dogs' long history as humankind's ...

Social group

A group can be defined as two or more humans that interact with one another, accept expectations and obligations as members of the group, and share a common identity. By this definition, society can be viewed as a large group, though most social groups are considerably smaller.

A true group exhibits some degree of social cohesion and is more than a simple collection or aggregate of individuals, such as people waiting at a bus stop. Characteristics shared by members of a group may include interests, values, ethnic or social background, and kinship ties. According to Paul Hare, the defining characteristic of a group is social interaction.

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