Think you're good at math? These 30+ puzzles look simple — until your brain starts to bend in ways you didn’t expect. Most ...

Coffee break Like these emoji riddles, logic puzzles will test your smarts and keep you guessing. Emoji riddle: Yucky ...

You and a friend have arranged to meet at a popular downtown mall between 3 p.m. and 4 p.m. one afternoon. However, you neglected to specify a time within that one-hour window. Therefore, each of you ...

In case you've faced some hurdles solving the clue, Math subj. with infinitesimals, we've got the answer for you. Crossword puzzles offer a fantastic opportunity to engage your mind, enjoy leisure ...

President Trump has labeled an introductory calculus course at Harvard "remedial mathematics," calling the university’s academic rigor and admissions policies into question.

This is the course webpage for Math304, Department of Mathematics, Simon Fraser University. Spring 2021. In this course we will investigate Rubik's cube, the 15-puzzle, TopSpin, and other permutation ...

Solve the math puzzle from our June 2025 issue, in which friends must find ways to all enjoy hot mud beds.

Plus, there are riddles of all types, including hard riddles for kids, math riddles and plain old funny riddles.

If you can find a way to solve the world's hardest maze, you can consider yourself a genius Are you a fan of riddles or perhaps a classic math puzzle gets your brain buzzing? Fancy yourself a ...