A flexible battery powered by humid air can run wearables without toxic metals, and one version self-destructs when tampered with.

Carbon monoxide detectors can emit various types of beeps. Some are relatively innocuous, while others are high-priority alerts that you should not ignore.

Discover 9+ Apple Watch hidden features most people never use, from FDA-cleared ECG and sleep apnea detection to fall ...

It's America's 250th birthday this holiday weekend, and there's no better way to kick off the party than with some ...