Genetics

What Makes Your Hair Curl?

Excited for the August 21 eclipse? Visit our Eclipse 2017 page to explore the science, history, and myths of the event. The Curiosity team will be viewing the eclipse alongside NASA in Carbondale, Illinois. Follow us on Facebook for live videos, trivia, and interviews on the big day.

Curly hair, don't care? Well, for those who do care, there's an interesting science to how people have curly vs. straight strands. You can blame your genetics and the angle at which your hair fibers grow out of your noggin. Watch the following video to discover the genes behind different hair types, then learn more about hair (and lack thereof).

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Curly Vs. Straight Hair

Straight hair has circle hair fibers, while wavy or curly hair has ovals.

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Here's Why We Go Bald

Men have a 50 percent chance of going bald at 50 years old.

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