A simple math puzzle has caused a flurry of controversy among math afficionados on the internet over the correct way to find the answer. The brain-teaser, which has gone viral on X (formerly Twitter), ...

In 1974, a geneticist named Marsha Jean Falco devised an ingenious research tool to help determine whether epilepsy in dogs was an inherited trait. She drew a series of symbols on index cards, where ...

The rules of Sudoku dictate that every row, column and 3×3 bolded box in the completed grid must contain the digits 1 through 9 exactly once. A surprising fact emerges from these simple rules. In ...

Thomas Mulligan breaks down the viral mathematical puzzle that sparked a massive debate and left the online community scratching their heads.

Holidays bring celebration, rest and, for many families, long stretches of indoor time. For some, this means table top games quickly reappear on kitchen tables. Games provide opportunities for ...

Some of the most satisfying number puzzles require little mathematical know-how. In fact, cracking the one below calls for thinking that is quite nonmathematical. I don’t know where or when I first ...

Daily puzzlers would be quick to tell you that sudoku, Wordle’s mathematical cousin, is not as easy as it looks. The small grid, found often next to a word scramble or comic strip in a print newspaper ...

Playing with arithmetic can lead us to unexpected and profound discoveries that point toward deeper mathematics and sometimes even deeper science. We solved our last Insights puzzle by performing some ...