It's a math puzzle designed for third graders, but many adults are having trouble solving it. The puzzle looks something like Scrabble, with a series of boxes that snake up, down and across a page.

U.S. magazine Scientific American recently named the work of Dr. Baek Jin-eon among the world’s top 10 mathematical breakthroughs of 2025, highlighting a result that mathematicians have chased since ...

Math puzzles test readers' critical thinking skills by challenging them to solve problems. Math puzzles can boost analytical thinking and problem-solving skills. A brain teaser challenge typically ...

A South Korean mathematician has solved a geometry puzzle that baffled experts in the field for nearly six decades. U.S. magazine Scientific American recently named the work of Dr. Baek Jin-eon among ...