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.
In fact, trying to clean earwax can do more harm than good, if wax is pushed further into the ear canal rather than extracted. Most experts agree you should leave your earwax alone, unless you're experiencing symptoms of too much earwax, which can include hearing changes, LiveScience reported.