Why so blue? This most calming color has woven itself into the fabric of our language, and it’s hard to imagine a world without the azure hue of the ocean or sky. However, there’s some evidence to ...

When you look up at the blue sky overhead or gaze across the seemingly endless expanse of a blue ocean, you might think that the color blue is common in nature. But among all the hues found in rocks, ...

The color blue has many associations—metaphorically “feeling blue” as depressed, musically singing “the blues,” politically progressive “blue states,” or optimistic “blue sky” goals. But what effect ...