Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? This triangle brain teaser isn’t new—shoutout to Popsugar for unearthing it a couple ...

Picture Puzzle: One of the most popular puzzle challenges on the internet nowadays is a picture puzzle. In this activity, the reader is presented with an image and asked a certain question based on ...

Sure, riddles are fun if you’re a fan of clever wordplay. But there’s something so uniquely enjoyable about a good visual puzzle. So today, we’re calling all brainteaser aficionados: How many ...

Mathematicians have resolved the first one trillion cases of an ancient mathematics problem. The advance was made possible by a clever new computational technique for multiplying large numbers. The ...