One of the skills that we need for a productive day with a decreased chance of error is attention to detail. But just like any other skill, it can be developed over time, and animated riddles can give you a chance to see how fast you can spot the details that stand out.

IQ, short for intelligence quotient, is a measure of a person’s reasoning ability. Many colleges and universities also use exams similar to IQ tests to select students.

Sometimes we look at an image and something immediately catches our attention because it is not where it should be. Sometimes we look at an image and something immediately catches our attention because it is not where it should be.