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

If you're planning to increase your electrical load by adding a new major appliance, make sure your panel can handle it. Here's how.

Ready to see what's at stake ahead as teams play their final regular season series? Here's what's on tap on Friday.

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 ...

In grade school, you were constantly drilled on mathematics. But as an adult, those lessons all too often fall to the wayside ...