Looked Over

November 18, 2010, 11:44 am
Filed under: Uncategorized

Ya know, for a species that is mostly naked, we sure do spend a lot of time obsessing over the small amount of hair that we do have. I wonder how many thousands of dollars the average person spends in their lifetime on hair-care products and salon visits. Evolutionary biologists think that the reason why we have so little hair is because we as a species evolved in Africa where it was very hot and it was advantageous to go the naked way of the elephant and the rhino. We also have sweat glands covering our entire body where most animals can only sweat in one or two places. That’s useful! Anyway, back to hair. Those little guys are pretty intense. In the “bulb” of your hair is a whole bunch of stem cells that is always trying to make more hair and heal your wounds. They make the hair out of keratin which is the same stuff that is in horns, nails, claws, beaks, turtle shells, feathers and hoofs. That’s pretty versatile stuff! Basically, sheep’s wool is made of the same basic stuff as Rhinoceros horns. I guess what I’m trying to say here is that hair is all kinds of cool. With that being said, I’m going to go shave most of mine off because I look like a caveman muppet and I have to look presentable for Thanksgiving. Oh social norms. Once again, you are getting in the way of my keratin growth!


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