Within-group cooperation (i.e., among closely related individuals), is to varying degrees observed among a significant number of animal species. However, peaceful encounters and cooperation between ...

Ants are social insects and the Solenopsis invicta species -- known as the fire ant -- is no exception. The social interactions of this invasive insect, which comes from South America, are framed ...

A drone is flying over a herd of plains zebras in central Kenya. It is flying quite high so that the animals are not bothered by it. These zebras are really interesting for collective and spatial ...

The in-group/out-group divide. Source: TherapyEverywhere/Open AI Human beings need to belong. From our earliest cave-dwelling ancestors, membership in a clan or tribe was a requirement for survival.