A brain teaser challenge is a type of IQ test that mostly involves solving a puzzle, cracking a code, finding a hidden object ...

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 ...

It's a math puzzle designed for third graders, but many adults are having trouble solving it. The puzzle looks something like Scrabble, with a series of boxes that snake up, down and across a page.

A group of airplanes is based on a small island. The tank of each plane holds just enough fuel to take it halfway around the world. Any desired amount of fuel can be transferred from the tank of one ...

In the early 1930s, the renowned Hungarian mathematician Paul Erdős set forth a puzzle. Erdős offered $500 to anyone who could crack it. Called the Erdős discrepancy problem, a puzzle that surmised ...

Sudoku fan? After diving into the math behind the game, test your skills with our very own puzzles in SciAm Games! Computer science seemingly rides a curve of unstoppable progress. Mere decades took ...