A small rat on a kitchen counter. - Pixel-Shot/Shutterstock Rats can wreak havoc on a home, as they're able to chew through wiring, gnaw furniture, and even cause structural damage. Equally worrisome ...

A few dark specks on a sheet, windowsill, or skirting board can make an ordinary room feel suddenly suspect. The reaction is usually immediate and deeply familiar. Disgust arrives first, closely ...