But once you troubleshoot the potential causes, there are some steps you can take to help clear out the toilet ring stains ...

An egg with a dark ring is entirely safe to eat and retains its nutritional value and taste. For reassurance, you can check the egg's freshness before cooking using a simple water test.

When these collisions take place, the icy particles vaporize, forming charged water molecules that ... first noticed mysterious, dark bands that turned out to be ring rain caught in Saturn ...