The original version of this story appeared in Quanta Magazine. Imagine a town with two widget merchants. Customers prefer cheaper widgets, so the merchants must compete to set the lowest price.

The Tennessee Titans are searching for a new coach after firing Brian Callahan six weeks into the 2025 season. Several coordinators have seen their stock rise, including Packers DC Jeff Hafley. One of ...

Are you worried about online privacy? Not a fan of anticompetitive practices? Maybe you just want a new take on web search? These 12 search engines beat Google in many ways. I've been testing PC and ...

Think of the Blind 75 as a special list of 75 coding puzzles from a website called LeetCode. It’s like a training plan for ...