Brain teasers have been entertaining and challenging people for centuries. They are appealing due to their difficulty and require analytical thinking and problem-solving skills to solve. A brain teaser involving finding the word 'DANCE' hidden within the word 'DUNCE' is particularly challenging. Many people struggle to identify the hidden word due to its frequent repetition. Solving visual puzzles requires looking at the bigger picture, using peripheral vision, spotting anomalies, and eliminating incorrect choices.