Journal of Personality and Social Psychology

Two spouses, one passport line, two completely different rooms — and a 1980 study that upends what officers think they see.

A happy toddler, a parent in the room, and a door swings shut. What's actually behind that reaction?

How to build happiness in a city you dislike, using research on third places, cognitive mapping, and micro-mobility.

Why a still photo can make anyone look hostile, and what sloths teach us about facial misreading.

Why slack in time, money, and emotions is essential — and how to build it before you break.