This division of labor is unique to the inner ear because the function of the principal cells relies on chemical energy provided by other cells. In virtually all other systems, whether it is heart ...

One such example is the muscles around our ears, which in many animals help ... these muscles may still serve a subtle but ...

It turns out the human ear got off to a fishy start ... structures can adapt over millions of years to serve entirely new functions. Published in Nature by researchers at the Keck School of ...

A lump behind the ear can have many potential causes, including acne, cysts, and infections. Swollen lymph nodes and certain cancers can also cause lumps. It is best to contact a doctor for advice ...

Save guides, add subjects and pick up where you left off with your BBC account. We can hear sounds because our ears turn sound vibrations from the air, into signals that are sent to our brain.