Math isn't everyone's best skill — and even those who are good at it are questioning everything after trying this algebra problem. The question originally went viral in Japan, after a study discovered ...

There is no new Insights puzzle this month, but I come bearing a holiday gift — a special crossword puzzle for all readers of Quanta Magazine. This crossword is my homage to the wonderful writers and ...

[Announcer] Four, three, two, one, KenKen. in newspapers of the world. I learned about KenKen through Games Magazine. In a graduate school class at Brooklyn College. Randomly, in maybe a airplane ...