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	Permanent Address: http://www.scientificamerican.com/article.cfm?id=revenge-evolution Does Revenge Serve an Evolutionary Purpose? Why all the celebration after the killing of Osama bin Laden? A psychologist who studies Add to Reading List Document Date: 2011-08-01 12:20:16 Open Document File Size: 47,67 KB Share Result on Facebook

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Permanent Address: http://www.scientificamerican.com/article.cfm?id=revenge-evolution Does Revenge Serve an Evolutionary Purpose? Why all the celebration after the killing of Osama bin Laden? A psychologist who studies Add to Reading List