32 thoughts on â10 Greatest Empires in the History of Worldâ. 1  For some reason I feel like I need to disagree that the U.S. is not an empire. In terms of this list youâre correct (ie geographic conquests) but the U.S. asserts an authority over the rest of the world at present that has never existed before.
How to Safely Clean Your Ears. Normally, ear canals are self-cleaning and should not need to be cleared with any foreign devices. Trying to clean the ear with cotton swabs or other objects can actually cause problems by pushing the ear wax deeper into the ear canal.
Clean your dog's ears after he has gone for a swim. Dogs with long, floppy ears are frequently the victims of ear infections. To avoid chronic ear infections, it's best to make routine ear cleaning part of your dog-care schedule. Many ear-cleaning products are available commercially, but you can also make your own.