Welcome to The Riddler. Every week, I offer up problems related to the things we hold dear around here: math, logic and probability. There are two types: Riddler Express for those of you who want ...

Unless you’re presenting a cure for insomnia, you want your PowerPoint slides to engage your audience without distracting them from the presenter (you). Too much text invites people to read rather ...

is a senior reviewer covering laptops and other gadgets. Monica was a writer for Tom’s Guide and Business Insider before joining The Verge in 2020. Rejoice, peasants! Your proletarian gadgets may live ...

Dealing with a problem here that probably has a clever solution which is not coming to me: I have an m x n grid. This grid contains some circles. I would like to find a set of squares that covers the ...