In recreational mathematics, the balance scale is an endless source of puzzles that require precise and elaborate logic and teach the fundamentals of generalization. Balance-scale puzzles abound in ...

As we age, our ability to balance can change. And that loss of balance can pose a serious risk. In fact, the CDC says that falling down is the No. 1 cause of accidental death for those over 65. But ...

Our recent suite of puzzles featured the humble double-pan balance scale, historically a symbol of commerce and government, art and science. Balance scales are also popular in recreational mathematics ...