Reddit study shows how growth, aging affect online communities

Through studying groups on the website Reddit, researchers at The University of Alabama found as online groups grow and age, discussion concentrates among fewer contributors and retention of new contributors becomes harder.

Ideal marriage partners drive Waorani warriors to war

Why do people go to war when the consequences of warfare are so dramatic? Scholars have suggested that the motivations for participating in war either lie in the individual rewards warriors receive (to the victor goes the ...

Impact on the collective behaviour of animal groups

Disturbance events such as human interference or predator attacks may negatively affect animal groups. Using an innovative tracking technique, researchers from the University of Konstanz and the Max Planck Institute for Ornithology ...

Chimpanzees sniff out strangers and family members

Chemical communication is widely used in the animal kingdom to convey social information. For example, animals use olfactory cues to recognize group or family members, or to choose genetically suitable mates. In contrast ...

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