Determining the least expensive path for a new subway line underneath a metropolis like New York City is a colossal planning challenge—involving thousands of potential routes through hundreds of city ...

The original version of this story appeared in Quanta Magazine. If you want to solve a tricky problem, it often helps to get organized. You might, for example, break the problem into pieces and tackle ...

YouTube Shorts, the shortform platform from Google-owned video giant YouTube, has seen massive success since its launch in September 2020. Today, an estimated 1% of all waking human hours are spent ...