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

Suzanne is a content marketer, writer, and fact-checker. She holds a Bachelor of Science in Finance degree from Bridgewater State University and helps develop content strategies. Learn about our ...

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 ...

Body mass index, or BMI for short, is a measure of body weight based on your height. For decades, BMI has been a way to measure whether someone is at a healthy weight. In general, people are ...

Krakow in Poland is the best European city to visit, according to a new Which? survey. Scoring highly for its food, drink, accommodation and transport, the holiday destination was given an impressive ...

Money blog: Interest rate held; ESTA prices rising; supermarket fights to stay in top five Today in Money, we cover the Bank of England's decision to hold the interest rate at 4%, a rise in the price ...

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