A pigtailed, paper cutout girl assists a scribbly, googly-eyed monster in sorting his mixed-up emotions, represented by different colors, into jars. Sadness, no surprise, is blue; in the accompanying ...

In language, we easily link colors and emotions. English speakers see red, feel blue, or are green with envy, meaning they are angry, sad, or envious, respectively. French speakers voient rouge (see ...