Our opening quote contended that Venn diagrams are overrated. Even those who agree must admit that they have a curious allure ...

It might not seem like there's enough information to solve these logic puzzles at first—but that's part of the fun!

A challenging maths puzzle requires you to uncover the logic behind unconventional equations. Only a few have succeeded.

Don't be discouraged if you don't find a solution right away. Everyone can gradually improve their thinking skills. The main ...