If you’re not sure how to wrap a present, there’s an easy hack you can try. The clever trick—wrap diagonally, not horizontally or vertically—is based in math. Basic geometric principles explain how it ...

Just in time for the holidays, the diagonal gift wrap hack has gone viral. It’s age-old wisdom in some circles—a graduate student even wrote a paper about the math of the perfect gift wrap in 2007, ...

The number of gift boxes you need during the holiday season can quickly add up, but with this handy hack, you can double your ...