It pays to cooperate

Many species exhibit cooperative survival strategies—for example, sharing food or alerting other individuals when a predator is nearby. However, there are almost always freeloaders in the population who will take advantage ...

Wealth inequality can promote cooperation

Wealth inequality can encourage people to cooperate when they would otherwise have no incentive to do so, according to a new study published in Nature Communications.

How cheating ants give themselves away

In ant society, workers normally give up reproducing themselves to care for their queen's offspring, who are their brothers and sisters. When workers try to cheat and have their own kids in the queen's presence, their peers ...

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