Hidden Fibonacci numbers, a new shape and the search for a grand unified theory of mathematics are among our choices for most ...

Across the country, educators continue to wrestle with big questions about math curricula. Two years ago, the California education board’s adoption of a long-gestating new math framework added more ...

Again, the secret is how you’re wrapping all the way around the item. A diamond orientation means you’re folding over right ...

Kids in elementary school learn—or are supposed to learn—how to add fractions and round numbers. But many students at the University of California, San Diego—a top public university ranked sixth ...

Journal Editorial Report: The week's best and worst from Kim Strassel, Jason Riley and Dan Henninger. Remember when the University of California kicked off a trend by eliminating the SAT test as an ...

These clever hacks will help your kids estimate the number of jelly beans in a jar, leaves on a tree, and more.

Discover how to calculate internal rate of return (IRR) to evaluate investment opportunities and understand their potential ...

Format, how 14 teams qualify, seeding, matchups, bye weeks, and path to Super Bowl. Breakdown for 2025-26 season.

A new equation calculates how many fragments of each size will be produced when an object breaks. The principle could help ...

I recommend two-factor authentication all the time. Adding a second checkpoint during sign-in truly increases the difficulty of breaking into your accounts. But that protective measure can feel like a ...

Weather forecasts are useful. People attentively listen to them but complain that they go wrong or are not taken seriously.

A reader of mine sent me an email that impressed me with the writer's poignant plea: "How do I stop being a narcissist?" "I can't be the only person who is aware of narcissistic traits without any ...