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 ...

As if your 40s weren’t maddening enough, your hair starts having its own midlife crisis — graying, thinning and popping up in the oddest places.

You almost missed it. You were about to leave the house. You were taking that last look in the mirror, thinking to yourself, “Hey, not bad.” And then it caught the light.What was that? Where did it go ...

If some speakers in your sound system were broken, you might try to compensate by cranking up the volume on the ones that still work. It turns out that the brain does the same thing when damaged hair ...