This is the first article in a two-part series where we show how to build your own anti-bot system to protect a login endpoint, without relying on third-party services. Many bot detection solutions, ...

Dr. James McCaffrey presents a complete end-to-end demonstration of linear regression with two-way interactions between predictor variables. Standard linear regression predicts a single numeric value ...

The HTTP engine inside Nitro is H3, a server geared for high-performance and portability. H3 provides the core functionality and Nitro builds on it. It’s a composable engine that can be extended with ...

In 1876, Peter Guthrie Tait set out to measure what he called the “beknottedness” of knots. The Scottish mathematician, whose research laid the foundation for modern knot theory, was trying to find a ...

The original version of this story appeared in Quanta Magazine. Imagine that someone gives you a list of five numbers: 1, 6, 21, 107, and—wait for it—47,176,870. Can you guess what comes next? If ...

Sean Cudahy is an aviation reporter covering news about airlines, frequent flyer programs and consumer travel issues. The cards we feature here are from partners who compensate us when you are ...

A lightning-fast crash course on JavaScript, the world’s most popular programming language. From its 1995 origins as Mocha in Netscape to powering front-end apps, Node.js servers, mobile apps, and ...

The FAASTeam program, intended as a streamlined alternative to traditional flight reviews, is widely considered overly complex and burdensome by pilots. Many pilots find the online system difficult to ...

Sitting for a long period of time can leave you feeling cramped, stiff, and uncomfortable. It can also aggravate some health conditions. About 1 in 1,000 Americans each year develop dangerous clots, ...

A Lexington program that looks to reduce the strain on the city's emergency services while catching individuals who may fall through the cracks of traditional assistance programs is finally getting ...