Income inequality is changing how we think, live, and die [vox.com]
Researcher Keith Payne has found something surprising: When people flying coach are forced to walk past the pampered first-class flyers in the front of the plane, the likelihood of some sort of air rage incident rises sharply. In his 2017 book The Broken Ladder , Payne, a social psychologist at the University of North Carolina, argues that humans are hardwired to notice relative differences. When we’re reminded that we’re poorer or less powerful than others, we become less healthy, more...