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 ...

We know all four shapes are the same before and after, but we assumed that the large right triangle also stayed the same size and shape. This assumption was our error! It turns out that the “before” ...

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 ...

Brain teasers are a fun and fascinating way to challenge your mind and sharpen your problem-solving skills. Often requiring out-of-the-box thinking, they push your brain into a different gear. A ...

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 ...