12-Second Challenge: Spot the 3 Differences in the Dog and Boy Picture: Optical illusions and visual puzzles have a unique way of testing our brain’s abilities, and “Spot the Difference” challenges are among the most popular. These puzzles are deceptively simple but often tricky, providing an engaging way to exercise attention to detail. In this … Continue reading 12-Second Challenge: Spot the 3 Differences in the Dog and Boy Picture