2min chapter

Short Wave cover image

How to Talk About Hair Like a Scientist

Short Wave

CHAPTER

Why I'm Brown, but Why Is My Hair Curly?

Tina Bell was in her first biological anthropology class. Her teacher pulled out a world map showing the distribution of u v radiation, so where u v rays hit the most closest to the equator. Right next to it, the teacher had a map of the distribution of skin pigmentation. And it absolutely mirrored that map almost perfectly. That just blew my mind. I had never thought about the fact that skin pigmentation varies in this gradient way.

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