However, most of us can't stay tethered to a wall outlet. Thankfully, you don't have to. The battery market is packed with options that can boost your phone's battery life no matter where you are.

A team of scientists and filmmakers heads to Antarctica to study the most sophisticated hunts in the animal kingdom - killer whales making waves to wash seals off floating ice. Show more In ...

They tell accurate time and, thanks to the common Indiglo lighting, easily legible day and night. The Timex Expedition Scout ... watches do not require a battery and can operate for years on ...