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.
If all you see is dirt or normal earwax you can begin cleaning your dog's ears. 1  Look for any drainage of fluid from the ear (clear or gray/brown), thick waxy material, or any scratches, scabs or wounds. 2  If you see any of these signs DO NOT clean the ear and contact your dogâs veterinarian for advice.