Punishment motivated by fairness, not revenge

Researchers at UCL (University College London) and Harvard University have found that we punish cheats only when they end up better off than us, in a study that challenges the notion that punishment is motivated by revenge.

ABC tries social network experiment with 'Revenge'

(AP) -- ABC and Yahoo will experiment on the season's last two episodes of "Revenge" with a smartphone and tablet application designed to encourage more people to watch television live.

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