Standing in the aisle of a paint store looking at hundreds of possible swatches is a nightmare scenario for even the most decisive among us. Make that color white, one of the most common house colors ...

Daniel Brown does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

These levitating spheres may appear red, purple or green at first glance, but in actuality, all 12 orbs are the same bland shade of beige. Shrinking the image exaggerates this illusion, while zooming ...