We’ve all been there. It’s 2 a.m. and you hear an eardrum-piercing beep. Your first reaction is to cover your head with a pillow and pretend it never happened. Eventually the slow chirping takes ...

When the temperature drops, a lot of homes suddenly sound like they are hosting a flock of electronic birds. Those short, sharp chirps from your smoke alarms are not random, and they tend to cluster ...

There’s a real reason why. You finished your nighttime skincare routine, tucked into your cozy bed, and are drifting off to sleep. But then a beep-beep fills the otherwise quiet space—and the culprit ...