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zakruti.com » Knowledge, science, education » TED-Ed
Why do we have hair in such random places? - Nina G. Jablonski

Why do we have hair in such random places? - Nina G. Jablonski

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Rating: 4.5; Vote: 2
Discover how humans lost their fur as they evolved from primates, and why we still have hair on our bodies. We have lots in common with our closest primate relatives. But comparatively, humans seem a bit underdressed. Instead of thick fur covering our bodies, many of us mainly have hair on top of our heads and a few other places. So, how did we get so naked? And why do we have hair where we do? Nina G. Jablonski explores the evolution of human hair. Nunya: Me cursing spawning in the tropics. Yes I won't die of hypothermia but I'd die from suffocating on my own moist breath coz of the humidity and there's nothing that can be done unless I have an AC.
Date: 2021-06-03

Comments and reviews: 9


Men with thick beards had a higher survival rate than those without, cuz they would appear less manly and suffer all the conciseness that a less manly man would suffer in early human tribes thousands of years ago. Also Women would chose to mate with the manliest of the bunch (if they had a choice at all) so beards survived: D
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Having a lot of hair on your body (like monkeys) impedes effective swimming. Humanity mostly evolved in and around river delta's. So a competing theory not covered in this video is that swimming was the evolutionary pressure that made us lose hair.
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If less hair is better at dispensing heat for a more active lifestyle, why do cats and dogs still have fur despite being more active than us? Couldn't we have evolved the same heat loss systems they might have?
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That stubly pun killed me. Also. We all just watching this for pubes and they just glanced over it, also also i can congform the bo recognition in self and loved ones.
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For a few days, I was also wondering as to why our heads have more hair at certain placed than other places. You guys just read my mind and answered!
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Umm, I have fur. Before I even watch this I take exception to the premise! hahaha
Edit: Original title of the video was Why Don't Humans Have Fur?

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I was JUST reading about this very topic in The Age of Wood: Our Most Useful Material and the Construction of Civilization by Ronald Ennos!
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Oh come on! these hypothesis just a part of ignoring god design what nature knows about emotions to give us hair to express them?
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The hair traps air and forms a cushion to sustain any damage. Removing this patch of hair could cause injuries on any impact.
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