Some say the reason most manhole covers are round is that a circle cannot fall through a smaller circular hole. Which of ...

Math is not everyone’s favorite, understandably. Hours of math homework and difficult equations can make anyone sour on the subject. But when math problems are outside of a school setting, there’s no ...

Stage 5: Justify thinking. A vital habit that many students need to solidify is recontextualizing after they solve ...

Brain teasers are excellent puzzle games for providing the brain with an effective mental workout. This math puzzle is a type ...

Only highly intelligent readers can solve this math puzzle in 6 seconds. Test your IQ and problem-solving skills now!

Here, count with me: 1, 2, 3, 4, 5, 6, 7, 8, 9, T, 11, 12 … Oh, what’s that? You write ten with “zero”? Fair enough. Zero, we have been told, is the ...

Jacobs is a journalist and author whose books include Drop Dead Healthy, The Year of Living Biblically, and The Puzzler. He is host of the podcast The Puzzler, and his latest book is THE YEAR OF ...

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 ...

No, a visual puzzle isn’t just another fancy word for a jigsaw puzzle—though a jigsaw puzzle is a type of visual puzzle. The concept of visual puzzles is much broader than that. This guide will ...

The correct answer to the Simple Puzzle quest is 304272. This result is derived through a series of mathematical steps involving multiplication and addition. In the Simple Puzzle quest, you will ...

Marijn Heule turns mathematical statements into something like Sudoku puzzles, then has computers go to work on them. His ...

This as-told-to essay is based on a conversation with Felicia Tang, chief of staff at startup Exa. It has been edited for length and clarity. San Francisco is a super competitive job market, ...