Payback Time: Why Revenge Tastes So Sweet

摘要

@@ Revenge may be frowned② upon and viewed as morally destitute③. But the urge to extract a pound of flesh, researchers find, is primed④ in the genes. Acts of personal revenge reflect a biologically rooted sense of justice, they say, that functions in the brain something like appetite. Alternately voracious⑤ and manageable, it ean inspire socially beneficial acts of retaliation⑥ and punishment as well as damaging ones.