Microwaving a sponge or kitchen cloth might seem like a clever way to kill off any germs - but it's not as effective as you'd think. Photo: Christin Klose/dpa
Warm and humid: The conditions for germs are optimal in a sponge or kitchen cloth, which is why they need constant cleaning. Because high temperatures kill bacteria, some people suggest throwing countertop cleaners in the microwave for a quick de-germing.
Were it only so simple
