Science & Home
5 articles in this category.
Mysterious Humming Noise in House — Can't Find the Source
You hear a constant low-frequency humming or droning noise in your house but can't locate where it's coming from. Here's a systematic approach to finding and stopping it.
Shower Grout Turning Pink? It's Not Mold — Here's What It Is
The grout or caulk in your shower is turning pink or pinkish-orange. It's actually bacteria, not mold, and it needs a different cleaning approach. Here's what Serratia marcescens is and how to get rid of it.
Stove Burner Flame Is Orange Instead of Blue — What It Means
Your gas stove burner is producing orange or yellow flames instead of the normal blue. This usually indicates incomplete combustion from dirty burner ports, wrong air mixture, or humidity. Here's when it's harmless and when it's not.
Why Does My Smoke Detector Chirp at 3 AM But Not During the Day?
Smoke detector only chirps in the middle of the night but stays quiet all day. The reason is temperature drop. Here's what's happening and how to stop it.
Thermostat Reading Higher Than Actual Room Temperature — Why the Mismatch
Your thermostat displays a temperature that doesn't match what a separate thermometer shows. The thermostat might be in a bad location, getting heat from hidden sources, or miscalibrated. Here's how to fix it.