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.
The ears should be cleaned when enough earwax accumulates to cause symptoms or to prevent a needed assessment of the ear by your doctor. This condition is call cerumen impaction, and may cause one or more of the following symptoms: Earache, fullness in the ear, or a sensation the ear is plugged.