What Makes Curly Hair Curly?

Ever wonder why some hair is curly, or why it gets tangled and frizzy? Turns out the science behind hair texture is pretty complicated.

5 Weird Uses For Hair! - https://youtu.be/J2zMMl-KT6w
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Straight Hair Is Knottier Than Curly Hair
https://www.scientificamerican.com/article/straight-hair-is-knottier-than-curly-hair/
"Based on these criteria, curly hair averages about three tangles per head whereas straight averages more than five tangles. The surprising results, and a mathematical model of tangling, were recently published in the American Journal of Physics."

East Asian Physical Traits Linked to 35,000-Year-Old Mutation
http://www.nytimes.com/2013/02/15/science/studying-recent-human-evolution-at-the-genetic-level.html
"The traits - thicker hair shafts, more sweat glands, characteristically identified teeth and smaller breasts - are the result of a gene mutation that occurred about 35,000 years ago, the researchers have concluded."

The Physics of Curly Hair-Because You Deserve to Know
http://time.com/7593/curly-hair-physics-explained/
"The real determinant of whether your hair does what you want it to do at any one moment is physics. And a new paper in the journal Physical Review Letters-which is not typically in the habit of offering haircare tips-explains why."

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Written by: Molly Nevola