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 ...

Add articles to your saved list and come back to them any time. Good record-keeping has always been important when it comes to keeping on top of your tax affairs, and a recent dispute between the ATO ...

North Carolina Tar Heels head coach Bill Belichick confirmed reports that New England Patriots staff members were barred from the football program. Belichick was the head coach of the Patriots for 24 ...

Beverly is a writer, editor, and paralegal specializing in personal finance and tax law. She covers personal financial and legal topics, as well as tax breaks, tax preparation software, and tax law ...

Lawyers are warning families of divorced couples there is potential for ex-spouses to use an often overlooked loophole to make an inheritance claim against their estate after their death, even many ...

Iran’s nuclear program has been a long-standing problem. Many US presidential administrations have struggled with it, as have many international organizations and foreign governments. To help makes ...