If a window AC unit isn't a good option for you, a portable air conditioner is the answer to cooling you down during these hot summer months. We lab-tested these units to find you the best for ...

Alkaline batteries are used in all kinds of things, and we've found the best ones for powering your everyday devices.

We depend on our smartphones for many things, but what happens when you drop your device on a hard surface? CR reveals whether you can replace the screen at home or if it's better left to the ...