VPNs, or virtual private networks, are a great way to protect your privacy and keep your activities anonymous while online. Unfortunately, they also tend to slow down your internet connection while in ...

We test dozens of laptops every year here at ZDNET: from the latest MacBooks to the best Windows PCs, aiming for a dual approach. On one hand, we run a series of benchmarking programs to gather ...

A metabolism test provides a snapshot of certain hormone levels to understand how your body converts calories into the energy that fuels every physical, biological, and mental activity. These tests ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Colleen Hagerty Colleen Hagerty is a writer focused on emergency preparedness.