Stressed-out meerkats less likely to help group

Dominant female meerkats use aggression to keep subordinates from breeding, but a new study finds this negative behavior also can result in the latter becoming less willing to help within the group.

The vicious circle of inequality

How to distribute resources between different individuals and groups is one of the basic dilemmas of social life. All known surplus-producing societies are organised as social hierarchies where some groups of people have ...

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