Gemini’s response included a brief description of the “6371” number, which is the Earth’s radius in kilometers. For miles, I ...

NPR's Ailsa Chang speaks to mathematician Eugenia Cheng about the Pascaline -- a 17th-century invention credited as the first mechanical calculator.

The Rule of 72 is a simple calculation tool for investors to use, but it's not necessarily the most accurate. Here are some ...

For Mr. Santos, math can also inspire ideas about structures that have already been built — a new way to see and appreciate the world. Inspired by this idea, The New York Times created a virtual tour ...

If you’ve ever traveled abroad to a place where the local currency is much different in value from the U.S. dollar, you’ve probably found yourself scrambling to calculate the differences in price when ...

No. 1 Teacher in America Mark Blackburn says these two shots will sharpen your wedge game. It all starts with the backswing ...

Here’s how the Rule of 72 works: Divide 72 by your expected annual interest rate (as a percentage, not a decimal). The answer is roughly the number of years it will take for your money to double. For ...

Sky News has launched a free Money newsletter, bringing the kind of content you enjoy here in the Money blog directly to your inbox. Each Friday, subscribers get exclusive money-saving tips and ...

All remaining Bodycare shops will shut this week, after the beauty chain's administrators failed to secure a buyer to keep it on Britain's high streets. The final round of closures is expected to ...

Disposable batteries seem so 1990s. Sure, it’s nice to be able to spend a couple of bucks at the drugstore and get a flashlight or TV remote back in the game, but when the device is a daily ...

- L: Longevity of civilizations Why It Matters: Guides scientific inquiry into extraterrestrial life—driving research on exoplanets, astrobiology, and SETI efforts ...