Why do we have chins? (warning: fox related)

 
Elegiac
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Article.

The chin serves no obvious purpose. One discarded theory speculated that it strengthened the jaw and developed over the course of a persons life to help with chewing, but a subsequent study found this to be inaccurate. A more recent theory, based on a fossil analysis published last year which seemed to indicate that the chin is a rather recent addition within human evolution, is that the development of the chin is related to hormonal changes within our species, and here I'll quote the article:
Quote
The authors’ theory is that our ancestors’ testosterone levels dropped as they began living side-by-side. High levels of testosterone, associated with aggressive behaviour and handy for solo hunters, would have been less than ideal in social groups.

Animal studies suggest that hormonal adjustments can alter the shape of faces. Changes in skull structure have been shown to coincide with hormonal changes in Russian silver foxes, for example. In a breeding project started in 1959, silver foxes captured from the wild were selectively bred over successive generations for traits of tameness, until they became domesticated. The skulls of the tamed foxes were shorter and wider, and they had lower levels of corticosteroids, hormones involved in stress responses including fight-or-flight.

The same could have happened in humans, with testosterone levels gradually falling over the generations. “Humans are essentially a self-domesticated species,” lead author Nathan Holton says. And as testosterone levels shrank, so did the face, which in the process changed shape and developed a chin.

Example of a Russian silver fox.


Scientists will be testing the theory of hormonal changes affecting skull shape on mice.

Last Edit: May 19, 2015, 08:20:37 AM by Elegiac


 
DAS B00T x2
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This is not the greatest sig in the world, no. This is just a tribute.
Because if we didn't have chins what else would I stroke to look smug?
God plans for all, my son.


 
gats
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Lol lemon has a receding chin


 
Elegiac
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Because if we didn't have chins what else would I stroke to look smug?
Your balls?

Evil geniuses stroke some manner of pussy or creature.


 
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DAS B00T x2
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This is not the greatest sig in the world, no. This is just a tribute.
Because if we didn't have chins what else would I stroke to look smug?
Your balls?

Evil geniuses stroke some manner of pussy or creature.
but evil geniuses always lose. Why would I emulate them?


 
Elegiac
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Because if we didn't have chins what else would I stroke to look smug?
Your balls?

Evil geniuses stroke some manner of pussy or creature.
but evil geniuses always lose. Why would I emulate them?
I don't know, what you choose to do is your own prerogative.


Jester | Mythic Inconceivable!
 
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>fox thread

downvoted, unsubscribed, unfollowed, unfriended, and unpinned.


 
Elegiac
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>fox thread

downvoted, unsubscribed, unfollowed, unfriended, and unpinned.
Hello, I am Poglett.


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I knew a kid who had more chins than a chinese phone book..


 
Elegiac
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I knew a kid who had more chins than a chinese phone book..
YouTube


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A flower which blooms on the battlefield
stop
Last Edit: May 19, 2015, 12:46:15 PM by Lemön pie


 
Elegiac
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Stronger jaw, probably.


 
Elegiac
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Stronger jaw, probably.
Did you read the OP or article?


Jive Turkey | Mythic Invincible!
 
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It is absolutely related to hormone levels. higher test=stronger jaw and Chin=more women attracted to you. People with bigger chins tend to exhibit higher sex drive, more confidence, more aggressivness, and overall dominance in life.

It's also the most attractive feature of a man.


 
DAS B00T x2
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This is not the greatest sig in the world, no. This is just a tribute.
It is absolutely related to hormone levels. higher test=stronger jaw and Chin=more women attracted to you. People with bigger chins tend to exhibit higher sex drive, more confidence, more aggressivness, and overall dominance in life.

It's also the most attractive feature of a man.
Oversized jawbones, on the other hand, are a sign of multi-generation inbreeding.


Jive Turkey | Mythic Invincible!
 
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It is absolutely related to hormone levels. higher test=stronger jaw and Chin=more women attracted to you. People with bigger chins tend to exhibit higher sex drive, more confidence, more aggressivness, and overall dominance in life.

It's also the most attractive feature of a man.
Oversized jawbones, on the other hand, are a sign of multi-generation inbreeding.
that's prognathism, which is not so much a well developed jaw as it a pushed forward jaw/chin


 
Elegiac
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It is absolutely related to hormone levels. higher test=stronger jaw and Chin=more women attracted to you. People with bigger chins tend to exhibit higher sex drive, more confidence, more aggressivness, and overall dominance in life.

It's also the most attractive feature of a man.
The study posits that lower levels of testosterone over some generations as a result of heightened sociality changed the bone structure of our faces and may have caused the formation of our chins.


Jive Turkey | Mythic Invincible!
 
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That is very plausible. Eventually we will have an entire generation of recessed chin mouthbreaking humans D:


 
Elegiac
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Don't be simple ya meathead :P


Korra | Mythic Inconceivable!
 
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uhhh...

- korrie
Because primate evolution.


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I think it's so alpha males can choke out betas and rape their wives.


 
Elegiac
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Because primate evolution.
Is that your scientific answer?


Korra | Mythic Inconceivable!
 
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uhhh...

- korrie
Because primate evolution.
Is that your scientific answer?
Yes.

Wanna know my religious answer?


 
Elegiac
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Because primate evolution.
Is that your scientific answer?
Yes.

Wanna know my religious answer?
Hit me with your best shot, fire away.


Korra | Mythic Inconceivable!
 
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uhhh...

- korrie
Because primate evolution.
Is that your scientific answer?
Yes.

Wanna know my religious answer?
Hit me with your best shot, fire away.
Odin created the first humans out of a piece of tree bark, and breathed unto them with life.

Boom.


 
Elegiac
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Because primate evolution.
Is that your scientific answer?
Yes.

Wanna know my religious answer?
Hit me with your best shot, fire away.
Odin created the first humans out of a piece of tree bark, and breathed unto them with life.

Boom.
Aye, and then he created the brutal Viking Foxes!



Girl of Mystery | Mythic Unfrigginbelievable!
 
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A flower which blooms on the battlefield
Because primate evolution.
Is that your scientific answer?
Yes.

Wanna know my religious answer?
Hit me with your best shot, fire away.
Odin created the first humans out of a piece of tree bark, and breathed unto them with life.

Boom.
Aye, and then he created the brutal Viking Foxes!


dude stop


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If you know, you know.
I got it! We have chins so that Elegiac would a thread about them.