a recent strand of experimental psychology suggests, our political beliefs may have something to do with ... our propensity to feel physical disgust.... The brains of liberals and conservatives reacted in wildly different ways to repulsive pictures... different brain networks were stimulated... the subjects’ neural responses... could predict with …

Fascinating article in Issue 14 (theme: Evolution): "It is a case of convergent evolution—where different species separately developed similar biological adaptations when faced with the same environmental pressures. Salamanders are Wake’s go-to example when asked a decades-old question in evolutionary biology: If you could replay the “tape of lif…

" In the long term, extorting, selfish strategies did not work as well as more generous strategies. Players who defected instead of cooperating suffered more over time than players who recognized the value of cooperation--though extortion might provide an advantage in a single head-to-head matchup, in the context of a whole population, over time, …