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 ...

I love visiting with my grandma. But sometimes I have to talk loudly so she can hear me. I asked my friend Christine Portfors why that is. She’s a biologist at Washington State University. She told me ...

The ear has three zones, the outer, middle and inner ear. The inner ear contains hair cells which are tiny cells with protruding microscopic hair-like projections. They work somewhat like microphones, ...

Have you ever looked in the mirror and noticed a stray hair on your ear? Maybe it was thin and barely noticeable, or perhaps it was a thick, stubborn strand that caught you by surprise. Ear hair can ...