Although ants usually communicate through smell, they also use sound to send distress calls and warnings about danger. Since they don’t have ears, scientists believe that they sense sound vibrations in their knees.
By trapping all sorts of dirt and debris, the waxy stuff your ear produces helps keep the ear clean. Q-tips are commonly used to clean the wax from your ear when it gets to be too abundant.
Have you ever tried to listen while underwater? What is audio like underwater?
Did you know that there are creatures that talk through their ears? Find out which animal possesses such a talent on today's Moment of Science.