A doorknob cover can keep your curious toddler out of areas that may not be fully childproofed. Here are the most effective ones from our tests.

Alina Bradford has been writing how-tos, tech articles and more for almost two decades. She currently writes for CNET's Smart Home Section, MTVNews' tech section and for Live Science's reference ...

Adding smarts to smoke detection can feel like walking a treacherous path. Old-fashioned smoke detectors have served as a fine warning system for a long time. Yes, between false alarms and low-battery ...