Your Fitness Tracker Has No Idea How Many Calories You’re Burning

We may earn a commission from links on this page.When I test smartwatches and fitness trackers, I place a particular emphasis on accuracy. Is my running pace correct? Does the device capture the ups and downs of my heart rate? I even got a VO2max lab test to check a bunch of watches' fitness scores.

Why a Test Can't Tell You Your 'Biological Age'

It's not enough to live forever—everybody wants to stay young forever, too. In most wellness spaces, "youth" is a word that gets thrown around as synonymous with "health," but you don't have to be into woo-woo wellness culture to find yourself tempted to find out how old—or more accurately, how youn

How to Configure Your VPN to Work at the Router Level (and Why You Should)

We may earn a commission from links on this page.When you install a VPN on a device, it’s like locking the door to a single room in your house. That room may be safe from intruders, but the rest of the house stays open and exposed. Going with that analogy, VPNs that work directly from your router lo

The Boox Picco Is a Contender for My New Favorite Tiny E-Reader

We may earn a commission from links on this page.Forget the Kindle Colorsoft—the release of the Xteink X4 last fall felt like the first truly interesting thing to happen to e-readers in years. A cheap, slightly clunky Chinese device with a 4.3-inch screen, its perfectly pocketable size (and a smart