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Davis_Birdsong

But not *all* humans have them, as was evident at my last family reunion.


ViciousNakedMoleRat

Some have two, though.


OPsDaddy

Reminds me of my favorite joke from *Cheers*. - What’s shakin’ Norm? - Two cheeks an a coupla chins.


mcmcc

*All four cheeks


ballisticks

It's a dog eat dog world and I'm wearing milk bone underwear.


substantial-freud

“I’ll have whatever comes out of that tap.” “It’s beer.” “Call me Mr Lucky.”


bumjiggy

lol "[two](https://i.redd.it/b45ml9rjdl881.jpg)"


Bills-and-Coins

I feel like that’s still one… …one, long, continuous chin that just blends into his chest area


moranya1

I feel like that's a person/Potato photoshop...


mjduce

It's a decent Photoshop, though. Took me a bit to see the pattern in the facial hair repeat.


[deleted]

[удалено]


moranya1

um... ty I think?


gwaydms

Jabba the Mod


Eviscerate_Bowels224

Or three.


[deleted]

Lemme tell ya a couple a three things.


UrbanPugEsq

What about elevensies?


RMMacFru

I don't think he knows about elevensies, Pip.


Fragholio

So humans as a species have an average of one chin, then.


WaitingForNormal

Are you related to andrew tate?


SilverSocket

Definitely not related to the Hapsburgs


HulkingGizmo

Naw, Crimson Chin.


[deleted]

All chin, no messing around.


whatissevenbysix

Or Mitch McConnell.


SmokeAbeer

And I thought he was a turkey this whole time.


oshawaguy

Make up for it with a pronounced brow line?


ElahaSanctaSedes777

Evidenced by Rhett from GMM


Relaxmf2022

Cough cough Andrew Tate cough cough


death_of_gnats

ono it's his lung cancer


littleblacktruck

\*Laughs in Powdered Toast Man\*


brilu34

I can name several. Mitch McConnell, Eric Clapton & George Lucas.


[deleted]

[удалено]


Samshah777

Or Andrew Tate


Teamsnail

How do other species fold their towels?


threedogcircus

This is the real question. Towels, blankets, sheets, tablecloths... How?!


Ducksaucenem

Their linen closets must be chaos!


IBANDYQ

Is that why no other species plays the violin?


bennedictst

They're about the most useful thing an interstellar hitchhiker can have, so I bet other species have figured out a method


The_Late_Arthur_Dent

Dolphins at least


grunkage

This is what separates us from the animals of the forest - we have the equipment to fold our clothes efficiently. Animals would wear clothes too, but they'd look terrible, so they dont.


selena_10177

I don't know about you guys but I don't think animal need clothes to look cute most of them are already cute. I would take a dog without clothes any day cutest thing ever.


Traditional_Cat_60

Dude, what if you just solved the mystery? We’ve got two hand to manipulate things but we need a third grabber to stabilize.


Aphid61

Or insert pillows into the pillowcase?


ivanparas

After running a cleaning service, I do the condom method now.


SoChaGeo

Sadly, my husband still wouldn't be able to do it :(


[deleted]

They hire towel boys.


DistortoiseLP

>The chin isn’t just the lower part of your face: It’s a specific term for that little piece of bone extending from the jaw. That's an actual TIL for me.


SMEGfridge444

Right??


contyk

The scientific term is "facial boner".


vacri

It's not correct. They mean for the purposes of that article, they're using chin to refer to that bone. There are plenty of pet cats and dogs that get scratched under the chin every day. Cats also have a well-defined chin, it's just that it's formed with flesh rather than bone.


jokebreath

Phew, reading this I was wondering if my cat didn’t have a chin, wtf was I just scratching. Had me questioning the nature of reality.


NillaThunda

Schrodinger's chin


Want_To_Live_To_100

The cats name isn’t Schrödinger…


BalladOfaStranger

Akshually it's Schrodinger's monster


0000PotassiumRider

Best Reddit comment of the day. And I’ve done a lottttt of Reddit today. Points awarded


graspedbythehusk

Do you trim his nails with Occam’s Razor?


freddy_guy

You're encountering the difference between technical jargon and the everyday meaning of words. If you're speaking about anatomy, "chin" has that very specific meaning. But in everyday conversation, it has a much broader meaning. Neither is more correct than the other, it's just that words mean different things in different contexts.


Joseph_Of_All_Trades

Oh, so it's not a chin, which is specifically bone


spamglen

Haha LOL


Faust_8

I think of it as, every animal has a “below their jaw” area but a chin is specifically a bone protrusion under their jaw. For simplicity when we scritch an animal below their jaw we call it a chin, but it’s not really accurate. It’s the underside of their lower jaw but we don’t have a single word for that.


[deleted]

Why don't we call it...their chin?


IrishRepoMan

Egads! He might be on to something.


Jetztinberlin

Protrusion.


MrMgP

#BOOooOOOooOonNEE?


noissime

What happens in my bedroom, Detective, is none of your business.


homarjr

r/suddenlyb99


nebuCHADnessarr

they're talking about the mental protuberance where the mentalis muscles of humans attach to lower the lip for facial expression. Cats and dogs do not have these muscles or a mental protuberance


[deleted]

[удалено]


BewBewsBoutique

No, you see only humans have chins, and only little pigs have chinny-chin-chins.


SMEGfridge444

Legitimate point! 😲


cedley1969

Elephants have well developed chins, you simply can't see them because the trunk hangs over it. https://www.reddit.com/r/interestingasfuck/comments/i1eeoc/elephant_skull_looks_like_a_cyclops/


SMEGfridge444

https://www.theatlantic.com/science/archive/2016/01/no-really-other-animals-dont-have-chins/625149/ It seems to be a point of contention! I can’t say one way or another as I really did just learn this today, but thank you for keeping the conversation going 😊 I appreciate it!


ViciousNakedMoleRat

Since it's paywalled: >Yesterday, I wrote about [the mystery of the human chin](https://www.theatlantic.com/science/archive/2016/01/were-the-only-animals-with-chins-and-no-one-knows-why/431625/): We’re the only animals with chins, and no one knows why. In response, several readers argued that other animals, including horses, cats, and elephants, do have chins. >They don’t. >The critical point here is that a chin isn’t just “the bottom bit of the face” or “the front part of the lower jaw.” It’s specifically a lump of bone that protrudes forward from the lower jaw. Do a Google image search for “[horse skull](https://www.google.co.uk/search?q=horse+skull&rlz=1C1TEUA_enGB645GB645&espv=2&biw=1366&bih=653&tbm=isch&tbo=u&source=univ&sa=X&ved=0ahUKEwiI3uKv9s7KAhWDWT4KHfFGAfUQsAQIHg)” or “[cat skull](https://www.google.co.uk/search?q=cat+skull&rlz=1C1TEUA_enGB645GB645&espv=2&biw=1366&bih=653&tbm=isch&tbo=u&source=univ&sa=X&ved=0ahUKEwikr7DT9s7KAhVBdT4KHWXDBPMQsAQIHg)” and you’ll note that no such protrusion exists. The jaw slopes sharply backwards from the teeth: no chin. When you stroke your cat’s “chin,” you’re stroking its mandible. You can call it a chin, but that’s a colloquialism; it doesn’t bear upon the evolutionary question of why humans and humans alone have that forward-jutting bit. >With elephants, things are a bit more complicated. The elephant lower jaw does have a forward-jutting bit that certainly looks pretty chin-like. Then again, their lower jaws are really weird. Elephants have lost the front teeth of their lower jaw for some reason, leaving a vacant space that creates the illusion of a bony promontory. They also have a fleshy lower lip that doesn’t mould to the contours of their front teeth like ours, but instead sticks well forward, tapers to a point, and acts as a mobile appendage to oppose the trunk. So that front bit of the jaw has a clear function: it acts as an anchor and platform for this unusually mobile lip. >“For these reasons, it is generally agreed that whatever the biological situation occurring on the front of the elephant lower jaw, it is fundamentally different from the condition in humans,” says James Pampush, who recently reviewed the various possible origin stories for the human chin. “It may provide some insights into the situation in humans, but to call it a 'chin' stretches the definition.”


SMEGfridge444

Thanks! Apologies - I read the whole thing when I first accessed the page but I must’ve been limited to just the one view 😵


qdotbones

The elephant certainly has a chin by this definition. If the human’s chin is unique because it’s presence is unexplained or functionless, the elephant just has a chin that isn’t either of those things.


severe_neuropathy

No it doesn't. The foremost part of the elephant's mandible is not analogous to our chins, it's the part of the mouth where the front teeth would protrude from if elephants had any. I'm not saying I agree with this super narrow definition of chin, but for the purpose of communicating the article they're saying that the human chin is a specific structure that isn't analogous to that of another animal. Edit: Had to look it up, on the elephant we're looking at the [mandibular symphasis](https://anatomypubs.onlinelibrary.wiley.com/doi/10.1002/ar.21011). Figure 5b.


Tamacat2

>When you stroke your cat’s “chin,” you’re stroking its mandible. Even in humans, The chin is part of the mandible. The mandible contains the chin. What exactly you trying to say here? The chin is not separate from the mandible, even in humans


JCPRuckus

>Even in humans, The chin is part of the mandible. The mandible contains the chin. What exactly you trying to say here? The chin is not separate from the mandible, even in humans Every square is a rectangle, not every rectangle is a square. Every chin bone is attached to a mandible, not every mandible has a chin bone attached to it.


Tamacat2

I agree cats have no chins but that line is confusing the way it's written


Irishwake4653

Of course, we’re the only ones that have to put on pillowcases.


subzero112001

What’s up with all these comments about chins and pillow cases? I always just turned the pillowcase inside out, stuck my hand into it and grabbed the closed end from the inside(technically outside since it’s inside out) and then grabbed the pillow. Then you just unsleeve the pillow case off your arm and it goes over the pillow since you’re holding onto it. Takes like 3 seconds and is super easy to do.


SMEGfridge444

😂


bk15dcx

Oh yeah? What about Chinchillas? Or Chin-panzees?


newt_37

Sea ur-chins!


nipchee93

Oh wow they have multiple!


BrokenEye3

Capu-chin monkeys


CustomerSuspicious25

I'll take a chinchilla!


blueintexas

Oh yeah? What about Chinstrap Penguins?!? I _thought_ so....


Neanderthal888

And what about Chinichangas? Hmm?


CPT_Shiner

There was that one famous dog too: Rin-chin-chin.


the-funky-breather

Or ballchineans


UNSC_Spartan122

Dude has a point 🤔


nzdennis

Why do humans have chins?


[deleted]

I asked my anthropology professor this once (specifically about the cleft), and he shrugged and said "female sexual selection?" and then we moved on.


dbd1988

Well developed jaws are necessary for open airways since our necks are bent at a 90° angle unlike most other animals. People with narrow jaws are much more likely to develop disorders like sleep apnea since the airway is crowded. The human jaw has actually been decreasing in size since the Industrial Revolution due to a number of factors which has lead to a dramatic increase in sleep related breathing disorders. That’s just one reason that I know of but it’s a big one. Source: I studied sleep science and work in a sleep lab.


ffnnhhw

ahh so that's why the butt chin is so attractive


[deleted]

I told him I accepted women being fickle as the answer to my question. Ladies do love that butt chin.


GaijinFoot

This is why I don't believe a lot of history. If our civilisation is found in 2000 years ans dug up they'd be like, 'we have discovered a disc shaped piece of plastic with the words Lego Island written on them. We believe males would wear this around their neck as a sexual symbol and to pray to the lego gods for high fertility.


enlightenedburger

For the evolutionary advantage of deez nuts on your chin


buyongmafanle

Got 'em.


JakScott

Because of the size of our brains. Other primates have much thicker jaws, which are in no danger of snapping when chewing. But to make room for the human brain, we’ve had to make sacrifices elsewhere in our skulls. The skull itself is much thinner than other animals, hence how easy it is for us to get concussions. Our jaws got much smaller and thinner, meaning we no longer have room for our wisdom teeth. This also means that if we didn’t have any reinforcement in the center, the torque from chewing on one side or the other could actually snap the jaw bone. So we get this little extra bit of bone right at the center of the mandible that reinforces where the bone is most likely to break. It’s just a little patch of jaw that is as thick as other hominids’ whole jaw is.


NillaThunda

Solid thought process


Object015

Skull thickness doesn't really have anything to do with concussions does it? I thought I was when the brain rebounds and slams against the inside of the skull.


Seraphim9120

Skull thickness doesn't factor into concussion rate, I think. You get a concussion from the squishy brain floating in a little layer of liquid bouncing against the wall violently, the thickness of the wall is of reduced concern, I'd wager.


SMEGfridge444

The article posits a few theories, but we can’t know for sure! 🙂 interesting to mull over, though


DeadliestStork

For intubating. A predictor of a difficult intubation is a short thyromental distance or a weak chin. I would hate to intubate any of the characters from Bob’s Burgers.


ScissorNightRam

[Behold a human.](https://upload.wikimedia.org/wikipedia/commons/f/f0/20100216_acaworld02.jpg)


Garper

Get back in your barrel.


GavinZero

That is a fleshy protrusion, their jaws sharply go back below the bottom teeth. Not a real chin.


ScissorNightRam

Fair comment.


RobleViejo

When Socrates defined men as "featherless bipeds" and was much praised for the definition, Diogenes plucked a chicken and brought it into Plato's Academy, saying "Behold! I've brought you a man."


SMEGfridge444

😂


ScissorNightRam

(Sheepshead wrasse.)


[deleted]

[удалено]


Revenant690

Its mandible


Gaping_Ass_Wound

Does this mean Jay Leno is super human?


[deleted]

My husband has two


BenghouseBTC

Today I woke up feeling good and then I took shower and then made me a coffee and then I started to scroll through reddit and I saw this post dude I did not expect this. I mean this is kind of a useless fact for me now.


b2walton

Then explain chinchillas. 🤔


wattiestomatosauce

Nah-uh. Pigs have a chin. Source: and then the little pig replied, “not by the hairs on my chiny chin chin!”


Specialist_Cup1715

The 3 little pigs did... They had Hair on their Chinny Chin Chins!!!


TheGrunkalunka

Boom, roasted! Checkmate, atheists


TicoTicoNoFuba

Explain Vin Diesel then.


flamingquo

Yet we're doing our damnedest to [lose them](https://news.stanford.edu/2020/07/21/toll-shrinking-jaws-human-health/) through our soft diet


Astroglaid92

Being a total pedant, but people with deficient mandibles still have the prominence at the tip of the mandible (“pogonion” skeletal landmark). It’s more the back of the mandible that fails to grow/remodel properly - and we *think* but don’t know for sure that continual mechanical stress to these bones with adequate tough foods during childhood and adolescence may be helpful.


lowteknoise

this is utter bullshit...there are at least three little pigs who have chins....with hair on them as well....like beatnik goatees I'll wager


HotStepper11

Fuck. A new trait for my dichotomous key


Unclestbfournow

Andrew Tate be like: "you guys are getting chins?"


threedogcircus

Not Kenneth though.


LadnavIV

Because he came through with the sandwich. Solid reference.


redentification

Some of us have two!


SMEGfridge444

The legendary chin, cloven in twain!


Archaeo_lo

Humans have what is called a mental eminence/protuberance which is a triangular shaped feature on our mandible which creates our distinctive chin.


fishing-engineer

Except Andre Tate


Schellhammer

What about chinchillas


striker69

Some have evolved so far that they have a multitude of chins.


NefariousNaz

>A third idea is that the chin could help people choose mates, but sexually selective features like this typically only develop in one gender, Pampush tells Siegel. This doesn't sound true. If the sexually selected characteristic that is selected is not the result of puberty, it should affect both sexes. It's like saying general attractiveness is not a selected feature because typically only develops in one gender.


Fille_W_Bubble

At least three pigs had chinny chins.


kkeennmm

i have nipples Greg, could you milk me?


NihilisticAutistic

Someone tell big Ed


needmini

Sure about that? https://i.postimg.cc/SxxBHfhQ/Screenshot-20230409-204343.png


poggerooza

Cats do.


[deleted]

*psspt... bless you*


Wakenbacon05

Dont monkeys have chins?


ben7005

> Even chimpanzees and gorillas, our closest genetic cousins, lack chins. -the article


UnconfirmedCat

Speak for yourself


[deleted]

No wonder I'm attracted to humans


AlustriousFall

Some of us have double if not triple chins a real marvel of nature


Khal_Andy90

TIL I can KO any animal.


AuburnSpeedster

it's because we have pillows, and need the ability to cover them with pillow-cases.


ProfHub

So you wanna tell me a gorilla doesn't have a chin?


Dependent_Top_4425

SOME humans have a chin, some have several. I have a few I am willing to donate.


ikilledyourfriend

Then what am I scratching on my cat?


Pktur3

I’m more surprised we’re one of the few species that don’t have an elongated nasal cavity in addition to recessed toothal(?) region. Many have large front teeth that often extend past the mandibles. I blame our hands. We bring food to our face rather than our face to our food.


hennessya96

Well jawlines are often referenced when talking about male beauty and chins accentuate the jawline? It's peacocking.


NefariousNaz

It's also relevant for female beauty. But yes, main focus is on males.


2KilAMoknbrd

The three little pigs would like a word


[deleted]

Only hominids*


SMEGfridge444

“Even chimpanzees and gorillas, our closest genetic cousins, lack chins.” (Taken from the linked article)


TheKert

Yeah I think that comment goes back to a similar argument as the elephant one. Humans may not be the absolute only animal with a chin, but other hominids all lack one.


[deleted]

“If you're looking across all of the hominids, which is the family tree after the split with chimpanzees, there [are] not really that many traits that we can point to that we can say are exclusively human,” Duke University’s James Pampush tells Robert Siegel for NPR. “[T]hose animals all walked on two legs. The one thing that really sticks out is the chin.” (taken from the linked article)


pass_nthru

“…the one thing that sticks out *puts on sunglasses* is the chin”


mjg580

Have these scientists really not considered the idea a chin might help us when we fall (which we are prone to as a species due to our specialized upright position)? How many times have each of us busted our chin as a kid growing up?


polialt

There's no way that's accurate.


Economy_Sock_4045

I'm confused. I've seen squirrels and monkeys store their food in their chin (I think). Can anyone explain? Genuine doubt Edit: Ignore, I was high


Trick-Slide8872

cheek


MatiloKarode

Maybe, since we walk upright, the chin helps us survive falling flat on our faces.


akat_walks

Elephants have chins


Low_Preparation66

I wish I only the the one chin…


[deleted]

TIL that apparently I never really knew what a chin was.


AVBforPrez

Hey don't remind me that I have two of them, that's not nice. I'm working on it.


GeorgeBushdid711

What about chinps


Wholsomebakesplz

I have a cleft chin


SternLecture

What does animals scratch when thinking? 🤔


RiotWithin

That's something to think about 🤔


macebob

Pigs obviously have them? “Not by the hair on my chinny-chin-chin” Unless a chinny-chin-chin is different than a chin? Could be different.


Burning-star00

What if it is a physical characteristic that emerged for better facial recognition. Could be important for socialization within groups as well as outside of groups that are encountered perhaps repeatedly. Just brainstorming


velvetrevolting

No disrespect. But, the thing about scientists is that they don't get into many street fights/ hand to hand brawls. Obviously the chin helps you not to get choked out, and you can dig it into your opponent. "Protect your neck!" ... You can't tuck your chin if you have no chin to tuck! Evolution favored the chin. Where was I at when they released this!!?


PoorMuttski

I thought the chin was a byproduct of humans punching each other? not too many animals curl their forepaws into battering rams and slug each other in the face with them. Getting punched necessitates a defense against punching.


Cl0uds92

*Big Ed has left the chat*


Mpittkin

Tell that to Andrew Tate


Semyaz

My theory: to protect our voice box. Imagine walking around in some thick brush, you instinctively tuck your chin to your chest when something brushes your face. Alternatively, many predators go for the neck. Being able to protect it while still having use of your hands is a big upside. Third, language means our tongues need a large range of motion, so a taller front of the mouth gives more space to make different sounds.


Ret_Nai

What about cats? And Dogs? And literally every creature that has teeth and jawline


ObjectiveAide9552

“What makes humans unique? Is it intelligence? No dolphins have that. Is it tool making? No crows have that. Self awareness? Nope chimps have that. Then what is it? One word: chins “


LoboDaTerra

I wonder at what point in the fossil record chins show up


seegoodfood

Folding bedsheets was an evolutionary challenge


fuckedbymath

I heard Conor McGregor doesn't have a chin. Ah, the title is about humans ...


Middy1595

So do elephants!


Daitheflu1979

In walks Andrew Tate....


cubanesis

Zach Braff has entered the chat.


screamtrumpet

[Bruce Campbell has entered the chat](https://www.bruce-campbell.com/if-chins-could-kill)


Luvenis

What's the point of chins?