Something else struck me when watching that video. I'm often struck how my intelligence diminishes when I'm frustrated, anxious or angry. I've read research th

Something else struck me when watching that video. I'm often struck how my intelligence diminishes when I'm frustrated, anxious or angry. I've read research that seems to confirm such--such feelings interfere with short-term memory. But Feyman exhibited such sheer joy and, if he carried that on when he meditated on a problem, that may well have helped him.