"There's an app for that." Who'd have ever thought that would be the case for something as fundamental as a ruler or a measuring tape? But here we are. If you're reading this, you may already know ...

It's easy to measure the distance between multiple points on Google Maps on your phone or computer. Here's how to do it.

You can use the ECG app on your Apple Watch to monitor your heart rate and detect irregularities, in which case you should ...