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 ...

ConocoPhillips gave $27,000 to equip Alamo Junior High with TI-84 calculators and training, boosting STEM access across ...

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 ...

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 ...

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 ...