An optical illusion challenge is captivating social media, testing observation skills with a grid of numbers. The task involves spotting a single "116" hidden among numerous "119s" within a 10-second ...

Optical illusions are fascinating puzzles that are designed to trick our brains into seeing something that isn’t quite what ...

Superstorm Sandy had many consequences, some easier to foresee than others. Millions experienced floods and power cuts, the New York marathon was cancelled, and pictures of sharks in the city appeared ...

Board game nights can get awkward fast when the group headcount doesn’t line up. Most games shine with even numbers, but what do you do when there’s five of you? Or worse, seven? I’ve been in that ...

For many, math is a devil right from the depths of the earth and haunts their dreams. For many, math is a devil right from the depths of the earth and haunts their dreams. It is true! People undergo ...

If you feel a little odd today, your calendar might explain why. Today’s date, 9/11/13, is a mathematical phenomenon so rare that it only occurs five times every 100 years. This is the last time for ...

Humans are so smart that we can easily learn the difference between even numbers and odd numbers. And until a new study emerged, humans believed we were the only species capable of this feat, known as ...

The ability to classify objects is crucial to thinking. When you place an object into a category, you are able to predict things about it. When you see a small furry four-legged animal in someone’s ...

Opinions expressed by Entrepreneur contributors are their own. Ever wonder why some products are listed for $199 or $299 instead of just $200 or $300? Does the extra dollar really make a difference?