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Why Do We Wrinkle When Wet?

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Why do your fingers and toes get wrinkly when they’ve been in the water too long? Short answer: Your nerves. Longer answer: Evolution. Hosted by: Michael Aranda ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Christopher Prevoe, Justin Ove, John Szymakowski, Peso255, Ruben Galvao, Fatima Iqbal, Justin Lentz, and David Campos. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow Or help support us by becoming our patron on Patreon: https://www.patreon.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow Sources:
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Текстовые комментарии (697)
Sky Fantasy World (28 дней назад)
*when your hand is actually wrinklely rn* so thats why it keeps doing this
Magic Maniacs (1 месяц назад)
now im addicted to the word pucker XD
Mr_Duck (1 месяц назад)
Koniaczek Koń (1 месяц назад)
So people with CIPA don't wrinkle?
afa78djd (2 месяца назад)
Aquatic Ape Theory confirmed !
luuke luketer (3 месяца назад)
why ?? cause we were aquatic apes..........
Nicholas Haring (3 месяца назад)
Actually, the reason our fingers get wrinkles on them is because say your in a pool, and you know how humans are mostly water? Well ok so if There is more water in one place and then the other area with less water is keeping it from going with the other area is our skin, so the other area with less water sucks some of the water out of our body’s. Hope this helped, sorry if it didn’t make any sense🤷🏼‍♀️🤷🏼‍♀️
Hetal Raiththa (4 месяца назад)
yeah I knew about the fact of osmoises
Madness Jack (4 месяца назад)
When your girl sends nudes...
Assad Khalif (4 месяца назад)
Thank God i swear i thought it was some kind of disease. Thank you so much for this video.
Man Sour (5 месяцев назад)
Human is created no evolutionary theories
Layla BTS (5 месяцев назад)
If girls masturbate too much that can happen...🙃.
нαкυ Valadéz (5 месяцев назад)
whoa this guys cute 😂😂😂😏
cinnamonstar808 (8 месяцев назад)
Bendy The Ink Demon (8 месяцев назад)
Raphael The Gaming Bee (8 месяцев назад)
Has anyone realize the URL pf the video straight up says "NUTS"? XD Seriously I'll show you... https://youtu.be/kqhoLNUTS8I *_See!?_*
Selenza Romanhood (8 месяцев назад)
ᅠ Hello
A statue (9 месяцев назад)
If the finger wrinkles after wet, then why does my back not wrinkle? I immigrated and I do not have a wrinkly back, but it's wet. Neither is the toilet plug wrinkly, but I clean Trump's toilet every day
gem thomas (9 месяцев назад)
So I have a theory I'm gonna posit here now @scishow or for any numbskull reading this and bothering to give me the credibality of an average guy ... We get wrinkled fingers ... Also when sweating ... Noticed it in jiu jitsu and also noticed that gave me the ability to grip another fellow sweaty primate I'm rolling w ... So that's another factor that undeniably is a benefit in combat that some disntant progenitor 🙄 over for advantageously having when needed
Cheese Lover Girl (10 месяцев назад)
I just took a long shower and got really pruny hand but for some reason I feel as if pruned hand are fascinating to look at and stuff I feel as if I could stare at pruned hands for hours just me that does this?
erickguilemancenido (10 месяцев назад)
Im wet finger
Kishan Italiya (1 год назад)
Reason of occurrence of moles on our skin
Revu (1 год назад)
You look like Seth macfarlane
RXTE (1 год назад)
everyone always says wrinkled fingers and toes, but actually your palms and soles of your feet aldo wrinkle and so the theory that it helps us grip better would ve useless without considering the palms and soles of the feet because toes alone would not help you grip a wet surface because the rest of your foot would still slide on wet surfaces thats why the soles of the feet also wrinkle this allows us to get a better grip all the way wround and this also applies to the palms because we use our palms just as much as our fingers to grip objects. its a cool theory and it seems to hold up given the evidence. its just one of our amazing features that went unnoticed for a long time.
Aaron (1 год назад)
Over the summer, I swam over 3 hours a day. My fingers never got wrinkly throughout the whole summer. They also never got wrinkly when I took showers. I came back after the 2 week break for the start of the winter season and the very first practice my fingers got wrinkly while swimming and during the break, in showers. I don't know why, but I guess my skin adapted to my swimming somehow? I have no nerve damage. I know for sure that my fingers weren't wrinkly over the summer. I immediately notice if they are because it's such a weird feeling.
opencabinets (1 год назад)
My sisters fingers didn't wrinkle at all and we were both in the pool for the same time. They used to wrinkle but at some point they stopped and now no matter how long shes in water they don't. She can still feel her fingers and she's never had surgery on them so what's going on?
Swiss Kinist (1 год назад)
Thumbs down for bringing your fairy tale religion of evolution into the explanation.
Miya (1 год назад)
looks like the comment section has a dirty mind. and no, i did not think the thumbnail was anything other than a wrinkly finger. and yes, i went back to check
Miya (1 год назад)
and i thought it has to do with osmosis
Rylee S (1 год назад)
Is that a bad thing
Karissa Nicole (1 год назад)
Hel00Everyone...First--of all, I would like to add that ♦♦♦♦maxelder argan product ( w---- nyarganoil---c) is excellent!..♦♦♦♦The price is reasonable and the product w.o.r.k.s like a charm. The first day I used it, I was highly impressed as it really moisturized the wrinkles and provides an excellent shield.
Ahsan Rahib (1 год назад)
my fingers are little bit wrinkled all the time
Luis Prado (1 год назад)
What are the health benefits of eating ass?
ATMunn (1 год назад)
also, why does chlorinated water seem to make it happen faster? I have a well, and when I take a shower my fingers usually don't wrinkle, whereas when I go to a pool or shower somewhere else, they do.
Eric Carter (1 год назад)
instructions unclear dick wrinkled
Ya Boi James (1 год назад)
Question: So if this is why fingers are wrinkly, why are old people constantly wrinkly?
Mohammed Oulhiad (1 год назад)
I just took a shower
[REDACTED] Lexmond (1 год назад)
im never sure whether i should be disappointed or proud of myself when a scishow video teaches me nothing new
Sierra Miranda (1 год назад)
Why did my dad leave me? Pls next video
Nietzsche's Ghost (1 год назад)
The problem I have with this explanation is that the wrinkly skin would have to serve enough of an advantage that humans who didn't evolve this trait died out by natural selection. But it's hard to conceive that gripping wet things 12% better would result in humans without this trait dying off as a result. Then again, it may be possible that this trait was present in our much earlier tree climbing ancestors, for whom better grip on wet surfaces can easily result in a significant increase in survival and reproductive success.
Janis Cortese (1 год назад)
OMG THIS HOST DRIVES ME NUTS he has those stupid earlobe stretcher things and that dumbass beard what the hell is that thing anyway and ... oh, that's right. It's Michael. We're only allowed to rip Olivia apart for equally weird personal oddities. BTW, I'm kidding. I like ya, Michael. You keep being your weird self, it's charming -- just like when Olivia does it. :-)
Josh the animator (1 год назад)
looks like a brain XD
AdamFra (1 год назад)
Even longer answer: The universe.
Brian Gaspar (1 год назад)
Thousand Knives (1 год назад)
Zeke Polaris (1 год назад)
YouTube unsubbed me from you without telling me. This is messed up.
Zeke Polaris (1 год назад)
Weird it said someone posted a comment on my comment, I go to look and nothing.
ᔕմʍʍҽɾ օƒ Oɾӏɑղժօ (2 года назад)
Okay I watched the video. Now....can someone translate that to a easier to understand language like if you are telling this to a 4 year old? Cause I didn't get any of that.
Ethan Pierce (2 года назад)
Why do we have a tailbone?
JazzyNym (1 год назад)
Pretty sure that's a vestigial thing
The Animation Master (2 года назад)
Lil Soup (1 год назад)
Rafatul Islam I did
John 123 (2 года назад)
Why do we dream?
ボールミット (2 года назад)
My middle finger became wrinkly when I masturbated.
Riceboi (2 года назад)
Galaxy vlogs (2 года назад)
Irresponsible Snopp E W
jackie (2 года назад)
Jill Ann Sotelo (2 года назад)
SciShow, but my biology textbook says, "When you go swimming or soak in the bathtub for a long time, the dead cells on your skin's surface absorb water and swell, causing the skin to wrinkle. This is particularly noticeable where the layer of dead cells is thickest, such as on the palms of the hands and soles of the feet." Is this a similar mechanism or something different?
miloradvlaovic (1 год назад)
Palms of the hands and soles of the feat have a slightly different layers than the rest of the body If I recall well. That is they lack "stratum corneum" which is indeed pretty much made up from the dead skin cells. Which would imply, that if any parts of the skin do wrinkle because this layer of dead cells absorbs water, palms and feet soles would be exempted :S So that's weird.
Zee (2 года назад)
I have wrickles on my palms too is this normal?
ryan kemp (2 года назад)
so evolution plays a part in this
Mark Gamer (2 года назад)
Ali Geda in some cases yes but in most science and religion are separated i pray to God everyday but i don't let it conflict with anything and I have a friend who's an astrophysicist and he believes the big bang theory but still reads his bible and believes in God although they conflict its better to ignore their conflicts and BELIEVE what you want to believe in but if you research it the definition of phd directly relates to religion many scientists in the past learned about religion and science ON TOP of that
Âraš Kamândâr (2 года назад)
Mark Gamer Religion and Sience can fit very well together. They do not oppose each other.
Mark Gamer (2 года назад)
Ali Geda I know many physicians that believe in evolution but religion and science are supposed to be separated its been that way for a long time even the greatest scientific minds in history have made references to this
Aaron Reamer (2 года назад)
Evolution plays a part in everything our body does
Shulienska Hooi (2 года назад)
Eliza Magahis (2 года назад)
Hiii friendsss ,, .. I’ve been using Maxelder argan cream every morning and night for about a month now and I'am so happy with the texture and appearance of my skin. The cream is hydrating but not too thick or oily. I’ve noticed my eyes don’t look so tired in the morning and I have a natural glow. *Recommend w---nyarganoil—-c*
Anna Palomares (2 года назад)
... HI, could you please tell me if this will help with my saggy wrinkled neck? ..... Thank you ...?
mr master (2 года назад)
Is to get grip
NanuBadisGOod (2 года назад)
the skin on my hands become wrinkly within seconds when emerged in water, and it does not go back to normal as I have to wash my hands. I have been suffering for weeks now. any suggestions would be appreciated.
Sammy Garcia (2 года назад)
+Alvin Cornelius OMFG DID YOU SEE HIS REPLY? 😂
NanuBadisGOod (2 года назад)
you mean the water? the skin takes effect within seconds, I doubt that it would make any difference. will try still. thank u.
Alvin Cornelius (2 года назад)
Have you tried turning it off then on again?
Shreya Agarwal (2 года назад)
in this vid
_Kow (2 года назад)
Shreya Agarwal (2 года назад)
I miss jessi
Frostbite Dog (2 года назад)
Big Macc (2 года назад)
Help me how do we cure it
Big Macc (2 года назад)
+Clarissa Ann I taped it for 2 days it's stuck like that now I have to cut it off JK my finger is not wet
unknown (2 года назад)
dry it?
Life of Dan (2 года назад)
Wrinkly fingers DO NOT increase underwater grip.... Simple as that lol
Whats In a name (2 года назад)
While this is an interesting theory I find it unfortunate they are teaching it in my kids elementary school as fact.
parvez khan (2 года назад)
Said right
Diego Saucedo (2 года назад)
But protien activates it ? Keratin, melanin, or carotene ?
Gordon Watersfrr dc fb them (2 года назад)
Yes I did
Gordon Watersfrr dc fb them (2 года назад)
pegalis (2 года назад)
Its sad that I noticed the tire at 1:39 has never been run as it still has its casting nubs and is dry rotted to hell.
Tomome Chan (3 года назад)
dose hair keratin pass water to our hair or not
Erika Pettway (3 года назад)
Who is this guy and where is Hank?
MrKarter HuH (3 года назад)
Walking with wrinkled feet hurts lol.
Eric Carroll (3 года назад)
Damn, I knew everything they said already. Except for the 12% experiment. The video is still good.
IMaiden89 (3 года назад)
I prefer the term foreskin fingers
Stellan Page (3 года назад)
My hands wrinkle extremely quickly in water and are very wrinkly is this a condition?
Clorox Bleach (6 месяцев назад)
Stellan Page yes you're gonna die
Captain Redbeard (3 года назад)
I thought we didn't have an actual sense of wetness. How does our body know the difference? Can pruning be induced by things that feel like water but are actually dry?
Lucas (3 года назад)
Ok but why does it (at least to me) do that only in hot water. For example one day the sea was very hot and my fingers wrinkled and the next day the water was a colder and my fingers didn't wrinkle. (I was at about the same amount of time in the water). When taking baths it wrinkles. That's weird !
Giedrius Borisa (3 года назад)
can u answer how does our butts work and why do we poop?
overclockeador (3 года назад)
Michael Aranda is such a cool dude.
Michael Tidwell (3 года назад)
Caution -Wrinkly When Wet
Aleatoriac (3 года назад)
We've come so far as a species.  But evolution hasn't allowed our physiology to keep up with our weirdly smart intellect.  We can conceptualize better ways for our bodies to deal with things.  It'll be really cool when we can actualize those ideals.
Ali Tahrei Sh. (3 года назад)
I know what bruise is dead blood cells out of vessels, but I don't know what happens to them after a while?! They are out of vessels!
Joyanne Becker (3 года назад)
Does this happen in other animals?
Observing Rogue (3 года назад)
I think they're not wrinkly all the time, for the same reason, you shouldn't use off-road tires, on road. Off road tires are very course & bumpy, to channel away, and dig through loose material, like sand, dirt, mud, etcetera, but, pure off-road tires, are not meant for paved roads. They'll overheat, be worn out soon, and don't provide that much grip. On road tires, are more smooth, so they touch the roads more, wear more evenly, and can handle much higher speeds. When it comes to vehicles, we should choose tires that match, how and where we ride or drive, how dedicated or diverse to different conditions, and requirements, but, it's great our feet & hands can adapt in minutes.
Suoarski (3 года назад)
What if it's just because your fingers doesn't need blood to keep their insides moist as there's plenty of moisture in the surroundings, so your body just doesn't bother pumping as much blood to it's fingers as normal.
Jacob (3 года назад)
Reginald Finley (3 года назад)
Hmmm.. now I find myself thinking about the aquatic ape theory. :-)
Samson Kaph (3 года назад)
IMO at 1:00 when they mention the evolutionary function of the wrinkly hands(grippy hands), I believe evolutionary functions can only pertain to our survival, therefor the wrinkly or grippy hands is for preventing slipping and maybe better grips of weapons, because I believe sweat gives us wrinkly hands too?
Terry Chao (3 года назад)
wow....that's eye opening. hahaha
Thomas Waggoner (3 года назад)
The text after "Sources:" seems to be missing.
Thaoh (3 года назад)
Another reason to constrict blood vessels: Conserver body heat?
How To Adult (3 года назад)
MANRINGS!?!?👍 like'm
Tiff Liranzo (3 года назад)
Thank god they didn't show feet. I would throw up if they did.
Moob Count (3 года назад)
There's another theory that the wrinkles give your more buoyancy allowing you to stay afload because they trap small amounts of air
Mil Jung (3 года назад)
Your video is really helpful. Thanks, but you talk like a rapper xDDDD
Peter Yablonski (3 года назад)
Can u explain the feeling of guilt
docterfantazmo (3 года назад)
So we're all the Michelin man?
wajdy al-momani (3 года назад)
高柏軒 (3 года назад)
I have noticed that you base the points on the paper by Kareklas K., which was published in 2013. According to the paper by Julia Haseleu, which was published in 2014, the experiment done by Kareklas K. was not reproducible, and hence, the points, though interesting, may not be true. Still, I believe more researches should and will be done on this topic, but so far, the points presented in the video seem not convincing enough. 2014 paper: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3885627/
Boris (3 года назад)
Let me save two minutes of your life. To grip wet things better, now go enjoy those two minutes of life.

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