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 ...

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 ...

Earlier today, I stumbled upon a memory of Steven Pinker’s account of altruism in his seminal book “How the mind works” as I was reviewing my own forthcoming work on philosophy and psychology. Each ...

A controversial idea in evolutionary biology argues that genes—not individuals or species—are the true drivers of natural ...

PNAS is the world's most-cited multidisciplinary scientific serial. It publishes high-impact research reports, commentaries, perspectives, reviews, colloquium papers, and actions of the Academy. In ...