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

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When 2D puzzles are no longer exciting, 3D brain teasers are the way. These handheld puzzles require ...

Marjorie Rice, a homemaker from San Diego, solved a decades-old geometry problem in 1975. Her discovery of new pentagon ...

A math puzzle is a type of brain teaser that tests the reader's critical thinking and problem-solving skills by challenging them to solve a problem. These challenges have the potential to boost ...

Elementary students had the chance to get a taste of high school through a math fair hosted at Tommy Douglas Collegiate. More than 300 visiting elementary students mingled with high school students ...

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