Ever wondered how your ears turn sound waves into music, laughter, and the voices you love—or why for most of us this ability decreases as we age? In this course, we'll explore the fascinating world of the human ear, from a warped funnel of cartilage to the tiniest bones in your body, to the electric snail that lives inside your skull. We'll look at how hearing works, what can go wrong (and why), and how age changes the way we experience sound.