The buttons on the Apple Watch switch apps, activate Apple Pay, open Siri and more. Image: Apple/D. Griffin Jones/Cult of Mac What do the buttons on the Apple Watch do? The Apple Watch borrows a lot ...

Umbilical hernias, appendicitis, gastroenteritis, and peptic ulcers might cause belly button pain. Belly button pain can be diagnosed with imaging scans, as well as blood, stool, and urine tests. Mild ...

Microsoft's spreadsheet program can do way more than you might imagine. These are the hacks and tricks you need to know.