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.
Mineral oil can be used to moisturize the ear and prevent the wax from drying. 1  Do not clean your ears too often or too hard. Ear wax also helps protect your ears.  Never try to clean the ear by putting any object, such as a cotton swab, into the ear canal.