Believe it or not, highway numbers actually make sense. Here's the logic behind odd and even routes, and why the system isn't ...

Tristan and Layla subdue the Great Pumpkin, greater Ozark is saved from the big squash. The post Math Puzzle for October 31, ...

Subscribe to Scientific American to learn and share the most exciting discoveries, innovations and ideas shaping our world today.

You may draw examples from Miguel Secillano, Terence Tao, or even from Shakuntala Devi, all you want – but if getting your ...

IQ tests present readers with picture puzzles or math problems, and they need to find the solution within a time limit. These simple puzzle games sharpen the brain. By providing an effective workout ...

Math may not be everyone’s favorite subject but when it comes to matchstick puzzles, few can resist giving it a try. At first ...

The NYT Brain Tickler is a uniquely challenging and entertaining puzzle from The New York Times that forces your brain beyond just the ordinary logic game. Each Brain Tickler presents a new style of ...

The 35-year-old saga of Kryptos, an enigmatic sculpture containing four encrypted messages outside the CIA headquarters, just ...

Some children focused on fewer parts of the object and spent less time studying its details. This suggests they used a ...

Find out who went home in episode 14 of The Challenge as contestants Leo and Jake discuss their game strategy.