Cultural products have evolutionary roots

From Brad Pitt fighting zombies to Superman falling for Lois Lane, summer blockbuster season is upon us. But while Hollywood keeps trotting out new movies for the masses, plotlines barely change.

Behaviour study shows rats know how to repay kindness

If I scratch your back and you scratch mine, then we're both better off as a result – so goes the principle of reciprocity, one of the most popular explanations for how co-operative behaviour has evolved. But what if one ...

New Study Eyes Evolution of Fairness and Punishment

(PhysOrg.com) -- Researchers have long been puzzled by large societies in which strangers routinely engage in voluntary acts of kindness, respect and mutual benefit even though there is often an individual cost involved.

Vindictiveness doesn't pay

Vindictiveness doesn't pay. This has been demonstrated by a current study at Bonn and Maastricht Universities. According to this study, a person inclined to deal with inequity on a tit-for-tat basis tends to experience more ...

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