Meditation is hard, but watching this one-minute video of a steel ball making patterns on sand is easy (and nearly as relaxing). A modern take on the ancient art of the Zen garden, Bruce Shapiro’s ...

Writing on solid materials, like parchment or paper, is possible because the ink binds to the surface and remains undisturbed. But in a liquid, particles are constantly moving around, and ink quickly ...

That child’s drawing of a house, tree, or person may represent more than an element of the refrigerator-as-art-gallery. It may predict a child’s intelligence later in life. A child’s intelligence at ...