Sure, riddles are fun if you’re a fan of clever wordplay. But there’s something so uniquely enjoyable about a good visual puzzle. So today, we’re calling all brainteaser aficionados: How many ...

For over a century, a simple yet tricky math problem had continued to baffle experts. Mathematicians struggled to find the fewest number of pieces needed to cut an equilateral triangle and rearrange ...

Find the answer for One of three on a triangle from the people who brought you the USA TODAY Daily Crossword Puzzle.

Puzzle game Yankai's Triangle was named Apple's App of the Week, making it free to download for the next seven days. This is the first time the game has been made available for free since it was ...

A puzzle lover is selling his Bermuda Triangle Jigsaw Puzzles series because he is leaving the Island. Aardvark co-owner John Elsegood designed triangular puzzles, which depict the Dockyard Clock ...

No, a visual puzzle isn’t just another fancy word for a jigsaw puzzle—though a jigsaw puzzle is a type of visual puzzle. The concept of visual puzzles is much broader than that. This guide will ...

Introduction Do you ever use math as a tool to solve interesting problems? In the 1970s math was often taught with simple worksheets. One teacher was looking for a way to help his students have more ...