It's something everyone dreads spotting in their home or on their leftovers — mold. The microscopic organism can invade any surface that is damp or moist, from shower curtains, to sinks, refrigerators ...

Black spots on the wall? Those might not be scuff ...

You may be interested (or possibly horrified) to discover you ingest and inhale thousands of tiny life forms on a daily basis. Most of these creatures are generally undetectable due to their ...