David P. Barash’s “The Ugly Underside of Altruism” (The Review, June 29) shows how evolutionary psychology has recently become more sophisticated. While Barash is more careful than most, his article ...
Hamilton's rule, introduced in the 1960s, says that altruism—helping others at your own expense—can evolve when the benefits to others, multiplied by how closely related they are to you, outweigh the ...
Approximately 20 Tufts students have become regular members of the newly established campus chapter of Effective Altruism, a social and philosophical movement aimed at improving the world. According ...
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