Brain teasers aren’t only satisfying, but they also have the ability to rewire our brains if practiced often enough. And this probably explains the phrase “use or lose it,” which only proves how our brains need continual workouts. By keeping our minds stimulated, we keep them strong and healthy. Which princess is fake?

Sometimes we look at an image and something immediately catches our attention because it is not where it should be. Other times we feel that something is wrong, but we don’t understand exactly what it is and so we have to look more closely.