The COVID crisis throws into relief what happens when grief has—quite literally—nowhere to go. The evidence suggests that most people summon strengths that surpass their own expectations.

If math isn’t your friend (it isn’t always mine), that’s okay. Lewin’s equation says behavior is a function (the f) of a particular person and their environment. Makes sense. P includes your history, ...

Psychologists use the term behavior all the time and more than one current textbook defines psychology as the science of behavior. Yet there is enormous and ongoing confusion regarding what, exactly, ...