A psychological phenomenon where people see meaningful forms in random patterns, such as seeing faces in clouds, may have stimulated early humans to make cave art. The research team, led by Dr. Izzy ...

A mountain rock in the shape of a human face. Atlas Mountains, Morocco. Similar to Nathaniel Hawthorne's short story, "The Great Stone Face." Source: Gusman/Bridgeman Images, used with permission "One ...

In 1921, Swiss psychologist Hermann Rorschach created a set of inkblots. He asked patients what they saw in them, hoping it would reveal their hidden thoughts and emotions. The test later became ...

One night my wife and I had a red wine accident on our living room couch. The couch was covered with an Indian shawl. The next day, I held up the shawl and saw the following: Source: Fred ...