A graphic artist is testing everyone’s knowledge of the mathematical order of operations with a string of numbers and missing arithmetic symbols. Gergely Dudás, of Budapest, Hungary, shared the new ...

I never shy away from a good ol' brain teaser. Though they're often a harsh reminder that I should've paid way more attention in math class growing up, they're the perfect way to stretch my noggin ...

This brain teaser may look easy at first, but it has a twist. Can you spot the mistake and correct the equation by moving ...

A graphic artist is testing everyone’s knowledge of algebra and spot-the-difference skills with a pictograph math problem that assigns numbers to different fruits. Gergely Dudás, of Hungary Budapest, ...

Optical illusions and visual puzzles are all the rage these days due to their ability to enthrall social media users. These brain teasers improve cognitive functions and are a fun way to pass the time ...

This viral math puzzle is a great way to boost your brain power. Try to solve the final equation using logic and attention to ...

Challenging brain-teasers and optical illusions have been floating around the internet for what seems like forever. There were the hidden panda puzzle and the square riddle, and who could forget the ...

When one thinks of institutions and places that house some of the brightest mathematical minds on the planet, one tends to think of companies like Google and academic institutions like MIT and Cal ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Researchers at Duke University monitored participants’ brain activity while they completed simple math ...

Merriam-Webster has big plans for the Dark Souls of Wordle We may earn a commission when you buy through links on our sites. ©2026 KOTAKU USA LLC. All rights ...