No one tells you what those different beeps or on-off lights on your smoke detector mean. Here's what you need to know.

Question: I seem to encounter a fair amount of emergency vehicles running in emergency mode (lights and sirens.) I also can’t ...

Did you know you can customize Google to filter out garbage? Take these steps for better search results, including adding Lifehacker as a preferred source for tech news. Attention, PC users: The end ...