Vellus hair: This is the fine, almost invisible fuzz that covers much of our bodies, including the outer ear and earlobes. It appears in childhood and regulates body temperature by providing a thin ...

Evolution has left humans with many vestigial traits—remnants of once-useful biological features that serve little or no modern purpose. One such example is the muscles around our ears, which in many ...

An ear is like an iceberg—much of it is out of sight. The only visible part is the auricle—the seashell shaped structure made of bendy cartilage, covered in skin. Its main role is to act as a trumpet, ...