Is Dust Mostly Dead Skin?

  • Am Vor 2 years

    VeritasiumVeritasium

    People claim that 70-80% of household dust is dead skin, but is it true?
    Thanks to Google for sponsoring this video! Learn more about Search here: www.google.com/search/howsear...

    Special thanks to J.M.E.H van Bronswijk, author of 'House Dust Biology'. We exchanged emails to make sure I got my facts straight for this video. Below is an excerpt from her email to me, responding to my claims that start with a dash:

    - Around half of airborne dust particles under 100um are skin scales
    This is true for climates, regions and seasons where people live mostly indoors.
    The 1 to 2 g of skin scales shed each 24 hours will end up in places where people are present (and rub their skin or have textile moving over the skin).
    You can also look at it from a different angle: What else has the same size and could contribute? That will usually be pollen from outdoor sources, also depending on season, region and climate, as well as the ventilation regime of the building.
    However, taken as the median value over a whole year, I consider your statement correct for regions with a temperate climate.

    - 53% of dust particles vacuumed from a mattress were found to be skin scales
    It depends a little on the type of mattress. For polyether mattresses the amount may even be larger.
    For mattresses made of natural material it could be less since the mattress-material will also give off small particles.

    - larger particles consist mostly of fibers, eg. cotton, paper, wool, synthetics
    That's true .. including bread crumbs ..... 🙂

    - skin scales seem to form a larger fraction of dust where we spend more time, e.g. in or near bed.
    ..... and on the couch used to view television or be active in gaming.
    It has to do with the constant production of skin scales over the 24 hours.

    - skin scales form a smaller fraction of dust if there are significant other sources, e.g. carpeting, dirt from outside etc.
    Yes, everyting you walk on with your shoes or that recieves dirt from the outside with other means, will have a lessr percentage of human skin scales.
    However, do not forget the skin scales of pets that will also be an active allergen for many people, and a food source for house dust mites.

    Information on dust particle size ©ISO. This material is adapted from ISO 7708:1995, with permission of the American National Standards Institute (ANSI) on behalf of the International Organization for Standardization. All rights reserved.

    Research and Writing by AJ Fillo and Derek Muller
    Editing, Audio Mix & Master, and Computer animations by Jonny Hyman
    Dust and character animation by Ivan Tello
    Filming by Raquel Nuno
    Thumbnail by Fictionalhead de-film.com/us/fictionalhead

    Intro Music composed by Jonny Hyman
    Additional Music from Epidemic Sound: Colored Spirals, Observations

Ja’Marr Chase
Ja’Marr Chase

I’m glad this channel is picking sponsors from small, lesser known companies. It helps them get out and succeed

Vor year
Kn rz
Kn rz

@glitchetsu what the joke?!.

Vor 10 Tage
Drone Workshop
Drone Workshop

@Slimey Ar That's The Joke🤓

Vor 23 Tage
stare
stare

Frr

Vor 25 Tage
mark
mark

@Timuçin Aybar same lol

Vor 26 Tage
minecraftify
minecraftify

google is popular man

Vor Monat
Little Big Dragon
Little Big Dragon

"Is dust mostly dead skin?" People allergic to dust: *Maybe I am allergic to myself.*

Vor 11 Monate
ねとり
ねとり

i guess that explains why i hate myself so much

Vor 9 Tage
Acidreign
Acidreign

@Tom Allen yep I was just looking through and only replying to comments that were not of the Google subject myself.....😉

Vor 3 Monate
john hardy
john hardy

I never realised how meaningful the term "ashes to ahses, dust to dust" was until now. Being carbon based lifeforms and returning to dust once again after all we know including ourselves was created from stardust.

Vor 11 Monate
Kn rz
Kn rz

😆 🤣 😂 😹

Vor 10 Tage
The Elder Simp
The Elder Simp

Our ancestors weren't wrong, then. They might have made the context biblical or religious, but the ancient aliens literally told them the truth.

Vor 16 Tage
momo penguins
momo penguins

@Delan Morstik Thank you for taking the time out of your life to respond to my comment. I did not proof read it prior to sending so I hope that I didnt come across as too harsh. 1: While I respect the assertion proposed and will not give you a knock in this regard, the main thing that I want to point out is that the continued asking of "but where did X come from" extends beyond just marveling at scientific conclusions from observing matter into borderline philosophical and theological thinking, which isnt the same field as what was first discussed. It was not the direction in which the conversation seemed to be going but at this point we are speculating on a conversation that never involved either of us which I do not feel comfortable making a judgement on. 3: I would propose that instead of it coming from a place of insecurity, it rather comes from a position of authority. (or superiority as that seems to be the term we are using in this case) A bait more or less. While it is not impossible to assume that the conversation was intended to spark genuine insightful interactions, later comments and the stereotype of people using social media makes it difficult for me to give the benefit of the doubt. I would like to take note of "But responding by mocking is often a bad response, because it will only make they insecurity hide and not disappear." as I hold this same position strongly. I agree wholeheartedly that, for the most part, we (as social creatures) should rather educate than demean for the lack of knowledge. In regards to parts 2 and 4 of your response, I have little that I feel necessary to comment on. You have your own methodology for approaching those around you that may or may not be as effective as mine. I will do my best to not over extend the amount of support I show to either party in this conflict as my thoughts are of little significance to the discussion at hand. I like to remain more hands off when looking at others' topics of discussion unless there is something that I can, in good faith and a high confidence interval, impart onto the discussion. If you would like to here my minor nitpick of your messages, it is that they come off as extremely highbrow and could be interpreted as you the writer having some sense of authority on the matter greater than what is being discussed. I do not feel as though your intentions are in bad faith necessarily but it could come off that way. The way in which our conversation differs is that; instead of attempting to give a definitive answer as Hiram Serna and James Scott to questions that we cannot answer currently, we are allowing for much more speculation. I feel as though that respecting the others' speculation is admirable however most on any social media platform would disagree and its hard to allow oneself to be vulnerable with so many sharks in the water so to speak. Thank you for your time again and have a wonderful day.

Vor 21 Tag
Jonny B. Goode
Jonny B. Goode

Ok, here's a question I've always wondered, and maybe you can tackle it in a future episode: If the geological model of the Earth is correct, and you can look through the past as layers of rock and earth... where does all the material that makes up these layers of rock and earth actually come from? How does the past actually get buried over time? Is it from layers of dust? An accumulation of particles from micrometeorites? Or from some other source? And is the Earth actually getting larger over time, as it accumulates successive layers of "time"?

Vor 11 Monate
Michael Drosselmeyer
Michael Drosselmeyer

To be more clear, crust is eventually subducted back into the mantle, melted down and, over millions and millions of years, erupted back onto the surface. This process does slow down over time as radioactive isotopes decay (thus contributing less heat) and the core of the planet cools, but there are no significant sources of extra material to add to the planet. Biological material is subject to these same processes (fossilization and the like) but more often is broken down and recycled by the biological processes of other organisms, which are limited in growth by the food resources and environmental conditions available to them. New matter cannot be created and there's simply not enough stuff falling from space to appreciably add mass to the planet.

Vor 3 Monate
Saif Abid
Saif Abid

@Angaj Sharma thats one of the important examples of how perfect nature is

Vor 5 Monate
FakeChannel4
FakeChannel4

Sounds like he'sasking about sediment layers. To which the main answer would be erosion.

Vor 7 Monate
Angaj Sharma
Angaj Sharma

What you're missing out is that everything comes from under and goes back within. Basically everything we are made of has already been a part of earth for ages, and when we perish it goes back in to be reused over time, howsoever long. There is no 'new' matter that is coming that would stack up on earth. (except probably some space stuff)

Vor 8 Monate
Arty Lee
Arty Lee

What fascinates me is that my bedsheets are various bright colours, as are my curtains and carpets, my skin is ostensibly pink, and I'm constantly dropping various crumbs of foodstuff on the floor (particularly crisps and bread, which are sort of yellowy) but when I empty the vacuum cleaner, the dust is *always* the same light grey colour, like the surface of the moon. Dull, lifeless, and grey.

Vor 3 Monate
Zach Rabaznaz
Zach Rabaznaz

Skin is colorless and grey. The color you see is the blood in your arteries and veins. Microfibers are actually quite transparent individually. As for chips and bread, surely most of it turns into large chunks which are swept up or cleaned by something that isn't the vaccuum?

Vor Tag
Reiuji Utsuho
Reiuji Utsuho

As far as I know, skin is actually that grayish translucent color, what gives it its pink color is the blood underneath, diffusing the light that gets through.

Vor 22 Tage
john kim
john kim

that's because scientists haven't figured out the other 50% but it is rumored to be flakes of our soul. Most people have grey souls. Mine happens to be purple and green. my dust ball comes out tie-dye

Vor Monat
Jack Wesly Camacho
Jack Wesly Camacho

"This video was sponsored by Google" is literally the most elite thing a youtuber can say.

Vor year
sk
sk

@Andrés López be real. No one cares who sponsored a video. But being sponsored means you are recognized. Especially from a bigger company than Raid Shadow legends

Vor 11 Tage
sk
sk

@El oso bratto being sponsored by the US marines means alot. It means a super power. Being sponsored by "the king of England" also is big

Vor 11 Tage
Francesco Romano Dell'Anna
Francesco Romano Dell'Anna

@KIBIDABI TV how so?

Vor 15 Tage
stare
stare

YOOOO

Vor 25 Tage
DaHyi Mi
DaHyi Mi

Just by looking at it after sweeping, it's very clear that most of the dust in my house is textile fibres, followed by mineral particles from the outside.

Vor year
Don't ask
Don't ask

Get a microscope and your observation would change drastically.

Vor 2 Monate
Joan Tur Ruiz
Joan Tur Ruiz

9:19 What I take from that graph is that dust across all sizes is mostly composed of cotton fibers. Sure, half of the smallest particles are dead skin, but over 100 um they only amount up to 20% (or less) of the dust.

Vor 8 Monate
Matthew Brightman
Matthew Brightman

I was going to make the same complaint, but he was clear about it shortly after

Vor 17 Tage
Two strudels Please
Two strudels Please

But can we draw different conclusions regarding mass vs. size? Dead skin cells are most likely denser, so they dont contribute to the size of the dust in your vacuum, probably not even colour or look of it, but they should contribute to the weight of your vacuum.

Vor 3 Monate
Sploof Mcsterra
Sploof Mcsterra

I guess it depends on what proportion of dust is small and what proportion is large.

Vor 3 Monate
Booner05
Booner05

Love your content and I appreciate that I learn something every video. The units "um" are pronounced 'micron' or 'micro-meter'. The 'mi-CROM-eter' is a tool for measuring distance. Thanks for the great videos!

Vor year
vector boy
vector boy

i like how this guys portrays sciences with emotions and reminding us to question and be human

Vor 10 Monate
TheJollyGamerJoe
TheJollyGamerJoe

I think the craziest thing about this video, is the fact Google are actually paying people to advertise Google... who is their target audience? The 10 people who use Bing?

Vor 2 years
j c
j c

Chinese who use Baidu?

Vor 8 Tage
Meenakshi Sooraj
Meenakshi Sooraj

@Žurkulēns "india and africa" is this what white people think of us 😭😭

Vor 11 Tage
イカくコ:彡
イカくコ:彡

i heard that chrome which is just supported by google is partnering with samsung.

Vor 17 Tage
stare
stare

fr

Vor 25 Tage
Gareth Cooley
Gareth Cooley

I think the point is is your ming and critical thinking skills to actually find the truth, don't just take the first answer as the indisputable truth.

Vor 2 Monate
jay H
jay H

this made me realize to always be patient when finding truths and always seek answers. ive heard about dust being majority dead skin but then googleed answers that said it was a myth, and now full circle veritasium telling me there is in fact a good portion of skin cells.

Vor year
Rhowin Dacut
Rhowin Dacut

"If dust is mostly dead skin, then why do abandoned buildings get so dusty overtime" sounds like a amazingly terrifying story

Vor 8 Monate
Fernando Pena
Fernando Pena

Oh yeah, I broke my right heel bone years ago and when they took the cast off I could literally see how my body was shedding the skin in layers that looked like fish scales that never really flaked off because of lack of friction because of having the cast. Super cool. Obviously I spent like half hour in the tub scrubbing all that off. So satisfying.

Vor year
Zach Rabaznaz
Zach Rabaznaz

Damn man I need a video of that

Vor Tag
LightShaDino Yu-Gi-Oh
LightShaDino Yu-Gi-Oh

Vid?

Vor 10 Tage
Jake Schepis
Jake Schepis

Love coming up on your videos and topics brought up this past year!!!! Keep it up, such a good addition to the science side of Youtube.

Vor year
Memento Mori
Memento Mori

What gives people the feeling of power: - money - status - being sponsored by Google

Vor 2 years
DVoiceO'Truth
DVoiceO'Truth

nope. it's Nobel Prize.

Vor 11 Monate
Player_1
Player_1

Not on in any particular order

Vor 2 years
kebman
kebman

​@The Biggest Picture Google is on a spectrum of legitimacy, and so it's possible that Veritasium knows, but thinks the good that they offer weighs up for it. Or, you know, could be he's just greedy. I have to hand it to ya, if someone offered me life-changing money ....... I'd probably take it! :D For one, it gives _me_ a bigger say in _how_ the world is changed, and so if Google has invested in me, and I suggest that perhaps they're overdoing it a bit with search censorship, then they are more likely to listen. But personally, I think the more people are aware, they'll just switch to DDG or Yahoo or some other competitor, and we'll have partisan competition like we already have on other news media. We just have to make more people aware that Google is evil, and that they're most likely hiding search results that are of a certain political nature. But at least it's not as there aren't options (unlike, say, North Korea or China). (I actually got to work on a Chinese laptop, and man, you wouldn't _believe_ how much state-controlled malware and spyware is installed with administration privileges...)

Vor 2 years
The Biggest Picture
The Biggest Picture

@kebman Yeah good point, Veritasium wants the money, of course, but isn't it selling out humanity? He should be exposing their censorship and how they're clearly interfering with the elections and democracy, instead he takes their money and speaks highly of them (while being silent about the issue that matters the most) helping them in their perceived need to counterbalance all the bad publicity they've been getting due to their attempts to ensure people are only exposed to their narrative (and they're also a pharma company btw).

Vor 2 years
kebman
kebman

@The Biggest Picture I'm not sure they're clueless, when the money these companies can offer are _life changing._ I mean, think about it. Would you rather that Putin gave you life-changing money, or a cup of tea? It's the equivalent in the West as well, except you'll probably survive, tainted, broke, but still alive. (Well, only barely, when it comes to guys like Assange, tho.)

Vor 2 years
Maflo
Maflo

Wow. This really is one of my favorites of your videos. Thanks for all the time you spend on uncovering this for us!

Vor 10 Monate
Former CT Governor Dannel Malloy
Former CT Governor Dannel Malloy

I was always under the assumption that the “dust=dead skin” association comes from the factoid that dust mites eat our dead skin, which is another relatively common piece of knowledge.

Vor year
Timo Jährling
Timo Jährling

Congratulations on that awesome sponsor, Derek! It shows that you have a really special role here on YouTube and your content is really appreciated. :)

Vor 11 Monate
Johan Nojah
Johan Nojah

I heard him say "Our bodies create about 20 million skin cells an hour" and thought, "Ok, then we lose about 20 million skin cells an hour, because generally, I have the same amount of skin from day to day." I was surprised when the conversation went longer than this, but was pleased when the numbers worked themselves out in the end.

Vor 3 Monate
Anime Banz
Anime Banz

But wouldn't you lose most dead skin during showers and baths?

Vor 3 Monate
Alkis05
Alkis05

During the pandemic, I mostly sat at my computer shirtless during pretty much 2020. The amount of dust that accumulated in the back of the chair through the mesh and on the frame of the chair is unreal. I don't know about the whole house, but at least on the back o my chair, I feel like that is mostly dead skin.

Vor 4 Monate
Tim Erickson
Tim Erickson

This was a very well put together presentation. Thank you so much!

Vor 8 Monate
Kaefer1973
Kaefer1973

I heard the "household dust" claim for the first time, and it certainly makes more sense than a general dust claim. The dust in a harbour stoarage room, the working area of a bakery or inside a barn are most certainly not mostly skin, I always knew that. Edit: Well at least not human skin, a lot of rats in some harbour store rooms.

Vor 8 Monate
Matt M
Matt M

I specifically remember an educational video in middle school or high school that said dust is 70% dead skin cells (or whatever the exact number was). So maybe a lot of other people my age saw the same thing

Vor year
Illyrius
Illyrius

Interesting target audience: people with a deep love of scientific inquiry who haven't heard of Google.

Vor year
Carie Johnston
Carie Johnston

Sure thing Karen

Vor 8 Monate
Nate Manhattan!
Nate Manhattan!

😂😂😂😂😂

Vor 8 Monate
K. K.
K. K.

dayum nice pfp Is there life on... Tatoiiiine

Vor 8 Monate
winspiff
winspiff

@Frank Caruthers part of the audience is kids, so explaining how you can't just trust google’s first few results is useful

Vor year
Ayan Patra
Ayan Patra

Somethings in this world are so small and insignificant , yet so questionable and interesting. You did a great job try to cover these things!!

Vor 10 Monate
Ryan Massi
Ryan Massi

A lot of your episodes have the same charm and fun as a show I used to watch in the 90s called Inquiring Minds. It aired on TVO (TV Ontario) and is up on YouTube as well. I don't know if you drew some inspiration from it but, I love your work. Thank you.

Vor 8 Monate
katie black
katie black

You do such a good job incorporating the sponsors in your videos it doesn’t even feel like you are sponsoring something

Vor year
Mitch V.
Mitch V.

Hi Derek. Just a quick message to let you know that I show this video to my students in my Industrial Toxicology class. Keep up the good work ! Cheers !

Vor 7 Monate
Nima
Nima

Never heard of this "Google" sponsor, seems interesting, I'll check them out...

Vor 2 years
Alkis05
Alkis05

You could altavista it.

Vor 4 Monate
Kohaku
Kohaku

@Joe Thompson damn bro, you like what the majority of people don't prefer

Vor 4 Monate
DonutCHEERI
DonutCHEERI

LMAOO IKR yeah i shud check it out tooo

Vor 5 Monate
Lil BIgBob
Lil BIgBob

fire fox it

Vor 7 Monate
James Scott
James Scott

Get with the times, man. Lycos is where it's at...

Vor 7 Monate
Oussama Brik
Oussama Brik

2 points : 1. The book you referred to were published in 1981, 40 years old, this doesn't mean it's no more accurate, but the research conducted to draw graph or to give some statistics or to conclude to some meaningful results are quit old or inaccurate. The household and the furnitures materials changed a lot and we have more hypoallergenic materials all around us. So the graph you showed should be revisited depending on where you live in the world. 2. Are all humans races have the same average amount of dead skin cells as you told in the video? Could we consider that some skins types releases more or less dead skin cells than others?

Vor year
Ashes, Ashes
Ashes, Ashes

Wait wait! A lot of those questions toward the front are interesting. Do a video on cats being afraid of cucumbers. The theories proferred are fun to learn and hopefully will convince people not to do that Also, an average family is 2.6 people? I checked, and it ranges from 6.9 to 3.1, with a worldwide average of 4.9

Vor 3 Monate
Bal Loney
Bal Loney

Very educational... so far, I consider this as one of his best videos.

Vor 11 Monate
Luisito
Luisito

It depends on how many people are living in a given area, this is from someone who has spent a considerable amount of time in correctional facilities and other group living, the air pressure in a room is always on my mind so I have always thought of dust, the dust I was around was high skin content and mites

Vor 6 Monate
VARUN N
VARUN N

i love how derek's always able to find beauty in the most random things

Vor 2 years
SaBpro Gamer
SaBpro Gamer

So it is random?.... or is it?

Vor 2 years
Jp
Jp

Same thing with Smarter Every Day. As Destin said “look at the world differently” Both very good people!

Vor 2 years
Sebastien Cormier
Sebastien Cormier

The mass increase in mattress was mostly from the 20 years of accumulated BEDBUG excrements from what I remember reading. Which makes a lot more sense, but also is completely unrelated.

Vor 11 Monate
Grey Warden Invasion
Grey Warden Invasion

I find it interesting that there are even standardised measurements for dust.

Vor 9 Monate
Adrien Ouilou
Adrien Ouilou

But it is 50% of small particles. So if you take all the particles under your bed, only a tiny portion in mass (or volume) are dead skin particles? PS: last year with covid, I started experimenting with a cheap particle sensor and arduino and I found all these (sometimes) invisibles things interesting. Thanks for your video!

Vor year
courtney deal
courtney deal

I'm on a learning kick right now enjoying science videos, thanks for this! ❤😊

Vor year
Parth Jatia
Parth Jatia

Quarantine has led him to examine his dust. Inspiring indeed.

Vor 2 years
Xiao Xiao Xiao
Xiao Xiao Xiao

That demonstrates that sometimes be bored is ok

Vor 2 years
Areen Hashemi
Areen Hashemi

Underrated comment

Vor 2 years
hulahulahup
hulahulahup

Thanks for making me realize that in a crowded area most of the air I breathe is dead skin cells from other people.

Vor 11 Monate
Gregor L
Gregor L

one of my favorite of your videos i’ve seen so far, 10/10 fascinating and just so well done with the sponsor integration, proposition of arguments, funny throwback video and the rest 👏👏

Vor 7 Monate
Christoph Unger
Christoph Unger

Great video and many important messages carried over by such a banal topic but yet so beautifully explained and re-searched :)

Vor 8 Monate
sr1nu
sr1nu

i just love the way he has explained google and dust together seemlessly

Vor 8 Monate
Ryukachoo
Ryukachoo

One of the best ads for something that doesn't need an ad.

Vor 2 years
Baxterchov
Baxterchov

If you think this is essentially an ad, and then presumably, everything else in the video is insignificant or irrelevant - then you have a pretty crook view of Muller, and of his years of high quality contributions. I'm not denying myriad Google flaws, biases, corruptions and abuses - but what Muller says, would be equally valid if he didn't specify a given search engine brand name. He got Google to pay him for what he does. They got him to add something, for an attempted marketing message. Simply reading a small fraction of the comments here, I now know a whole range of alternatives to using Google products, and further increasing my privacy. 👍🙂

Vor year
T4zchi
T4zchi

I was the 3,000th like on this comment

Vor year
Cameron Johnson
Cameron Johnson

Bing users: Am I a joke to you? Duck duck go: Hahahahahahahaha

Vor year
The Biggest Picture
The Biggest Picture

@Mark B So he's immoral or amoral then, by supporting the suppression of ALL free speech that doesn't fit their criminal agenda?

Vor year
kathrynck
kathrynck

Perhaps more interestingly, how does dirt from outside, and broken bits of cloth fibers (and dead skin, and pollen), get into reasonably sealed up abandoned buildings? You'd need traffic to track the dirt in, no? Or to trample the carpet fibers, etc.

Vor 11 Monate
Cecille Wolters
Cecille Wolters

What an awesome episode, thank you ☺️

Vor 11 Monate
Sheb a Hammy
Sheb a Hammy

Could you try to make rocks out of this dust? Like use a hydraulic press and have squares around it so it gets compressed into a cube Seems like an intresting idea

Vor year
Erik Berg
Erik Berg

Ashes to ashes, Dust to dust. Unless you're bionic. And then you rust... : )

Vor 11 Monate
Jaymez
Jaymez

poetry

Vor 6 Monate
Jr.avi
Jr.avi

poetry

Vor 7 Monate
Just a cripple who wants to kill the president
Just a cripple who wants to kill the president

poetry

Vor 7 Monate
Nobody
Nobody

Poetry

Vor 7 Monate
Lina Olofsson
Lina Olofsson

poetry

Vor 8 Monate
Ankur
Ankur

When u r sponsored by GOOGLE u have achieved everything....

Vor year
Hell Sing
Hell Sing

@Memerath lmao

Vor 11 Monate
Re
Re

Google is soulless

Vor year
Josh Young
Josh Young

@Matheus Romualdo seriously though, people don't realize how mundane it is to have google advertise on content.

Vor year
Josh Young
Josh Young

...not really, they're a giant company, they do business with a lot of people. In fact, they advertise on all sorts of videos, and every time they do, that's sponsorship. And either way, it's unrelated to having "everything"...

Vor year
Barry Alford
Barry Alford

Google sponsored information ... Pass the salt, please.

Vor year
César Alonso Martínez Sánchez
César Alonso Martínez Sánchez

In IT there is a saying that goes "if you really want to know someone clean their keyboard" I think that really relates to the poetic part of dust you highlight

Vor 11 Monate
Yevgeniy Gorbachev
Yevgeniy Gorbachev

"that's as many stars as there are in the Milky Way Galaxy", which relates one number I have no way of really understanding to another number I have no way of really understanding.

Vor 11 Monate
Villtra
Villtra

try thinking 30x the entire human population. thinking like that is pretty nice actually, everyone can have their own galactic empire

Vor 3 Monate
annata
annata

what if the stars in our galaxy are the dead skin cells of "gods" and our dead skin cellls are galaxie omge

Vor 10 Monate
Caleb Mauer
Caleb Mauer

Maybe it would help if you think about the number of sand grains on a beach.

Vor 11 Monate
Daniel Wilczewski
Daniel Wilczewski

I think he used Numbers of named stars

Vor 11 Monate
ProjectfullCurcit
ProjectfullCurcit

Try thinking how much dust is in the milky way

Vor 11 Monate
Californian Ussa
Californian Ussa

My wife has always insisted much of household dust comes from the business of spiders, the inedible parts of their prey, and so on. After all she is keen on frequently laundering and also emptying dryer lint filters. A clean freak for sure. I've held it is dead skin cells. Whatever the case, we agree spiders are tolerated in our home because they do in fact clean house in a sense, of bugs, or is that a myth too? Hmmmm.

Vor 3 Monate
Greg Varner
Greg Varner

I find it fascinating that there was no mention of pets in a household contributing to household dust. I can't be "scientific" about this but I and testify that I have live in a 1500 square foot house with just one house cat and another similar sized house with similar carpet to hardwood ratios that had two cats and a 130lb dog inside and I can absolutely promise you that the amount of "dust" you will be dumping out of your Dyson will increase 10 fold.

Vor year
Abhiram Madhu
Abhiram Madhu

"This video is sponsored by google" That is the weirdest thing I've ever heard.

Vor year
Pan Diaxik
Pan Diaxik

Technically every video on YT with ads is sponsored by Google

Vor year
BO0MBO1772
BO0MBO1772

Yes

Vor year
dihvocfoscocudvyvdd
dihvocfoscocudvyvdd

@Zech It's not a monopoly, because you can easily start your own search engine company. There is still competition for Google, most people just choose to use it. What's stopping you from using Bing or Duckduckgo? Literally nothing

Vor year
Zech
Zech

@dihvocfoscocudvyvdd Google has a 95% share of the market, that constitutes a monopoly. You don't have to shill for a trillion dollar corporation.

Vor year
Kshitij Bhardwaj
Kshitij Bhardwaj

found your channel on this random sunday morning.been binge watching your content ever since. you are great man!!

Vor 11 Monate
Mike Kojoori
Mike Kojoori

So I've developed strong allergies to dust-mites. I've used encasements for my bedding, have a constant weekly rotation of sheets and pillow cases, a personal air purifier in my bedroom and vacuum my place weekly. I continue to have problems with congestion. I'm in the process of getting an anti-inflammatory injection monthly to control this reaction. Question is, have I done my due diligence with regards to hygiene and is it time to treat it as a medical condition which I don't have control over?

Vor 11 Monate
Edgar Roock
Edgar Roock

Derek: Here's how I use google to research a complex question. Also Derek: To clear things up I called around to some dust experts.

Vor year
Conner Anderson
Conner Anderson

I had really bad dry skin/eczema and lost so much skin so often it was more like sand than dust on my bed , couch and clothes.

Vor 8 Monate
ꪜ

This Google site seems cool, they should make it available for public!

Vor 2 years
Rosyid Haryadi
Rosyid Haryadi

I just googled it. Looks cool indeed.

Vor 2 years
The Biggest Picture
The Biggest Picture

How can he NOT mention that Google has a censorship filter, and therefore you won't get accurate results except for topics that are entirely uncontroversial? The ONLY reason Veritasium isn't being / hasn't been censored is because he toes their line -- as soon as he doesn't, Veritasium will be censored too.

Vor 2 years
Ethanol Carbonyl
Ethanol Carbonyl

@DanielRodd r/wooosh

Vor 2 years
mooncake(´,,•ω•,,)
mooncake(´,,•ω•,,)

@DanielRodd r/wooooosh

Vor 2 years
Hunter Herbst
Hunter Herbst

DanielRodd woooosh

Vor 2 years
Denis
Denis

you are a gift. just watched my 10th video from you and it feels like they get better and better. thank you!

Vor 11 Monate
JK Vintage Analog
JK Vintage Analog

So interesting. I wonder how much of a health impact there is for snorting all those synthetic fibers and micro plastics. I just cant help but think as we have moved away from natural fibers we have made our environments more hazardous. Maybe alot more.

Vor year
Anthony Craig
Anthony Craig

This has to be one of the most important videos he has done. Literally teaching a man to fish.

Vor year
Telhias
Telhias

Once it was established that our skin produces around 20 million skin cells per hour it was pretty obvious that the rate of losing those skin cells would also be around 20 million per hour. It simply has to be an equilibrium. You have to much production to loss and your skin will get thicker and denser which I believe is a medical condition. You have to little production to loss and you will over time lose your entire epidermis. In fact I will go as far as to say that the rate of production for the skin cells was likely established based on the rate of the skin cell loss. After all it is much easier to quantify the cells you lose than the cells that are actively produced in a living tissue. How would you even measure that without vivisection?

Vor 11 Monate
Tobi Pohan
Tobi Pohan

"sponsored by google" *shows the thing google cannot do

Vor year
Anonymous Approximation
Anonymous Approximation

@Antonio Salazar He wasn't insulting your spelling or grammar, he was saying that your English teacher should've taught you how to do research instead of searching for your own bias. Basically they should've taught you to use google the same way the video does.

Vor year
Chimkinnuggers2888
Chimkinnuggers2888

😂

Vor year
Miguel
Miguel

@Rifai Sukarman The gateway wasn't even google XD. Another human told him to check that book.

Vor year
Miguel
Miguel

@Antonio Salazar The answer was found on a book that a person recommended him to look up, not with google.

Vor year
Mohammad Umair
Mohammad Umair

@Rifai Sukarman ✔️✔️✔️

Vor year
yesno
yesno

So the entire conclusion is based on 2 peer reviewed papers that made up like 0.5% of the video, chosen by Veritasium, to make their point. I think I still don't know what's true :(

Vor 11 Monate
Abhilash Ravichandran
Abhilash Ravichandran

Wooow what a revelation 👏 this guy really deserve hell a lot of appreciation.

Vor 11 Monate
Nobody
Nobody

As someone with severe dandruff, I am 100% sure that 100% of my dust is dead skin cells

Vor 7 Monate
Seth Hensley
Seth Hensley

One of your best, ever... especially the summary segment. Antidotes for disinformation. Thanks for keeping Veritasium on YouTube, doing the world a tremendous service. Fantastic that Google sponsored this one.

Vor 5 Monate
Alexis et Arthur GUIOJOUR
Alexis et Arthur GUIOJOUR

Normal YTbers: video sponsored by NordVPN Veritasium: video sponsored by Google

Vor 2 years
The Biggest Picture
The Biggest Picture

@Extreme Madness Yeah, it's in our faces! The pretense that it's not happening is based entirely on lack of exposure to true information by means of uncarefully allowing oneself to be exposed exclusively to their ever-more-absurd false official narrative in major corporate media and Big Tech platforms.

Vor year
Extreme Madness
Extreme Madness

@The Biggest Picture Conspiracy theorists complaining about how Google supposedly "censoring" fake, unproven and non-scientific information? It's more likely than you think!

Vor year
Ernest Olveira
Ernest Olveira

@The Biggest Picture if they are effective, maybe they should publish a peer reviewed article instead of Facebook posts or YouTube videos... Just saying...

Vor 2 years
Jay Dag
Jay Dag

"Science beats back the shroud of ignorance" - Veritasium. I love it

Vor 8 Monate
Ali Chehab
Ali Chehab

I’m glad this channel is picking sponsors from small, lesser known companies. It helps them get out and succeed

Vor 9 Monate
Pico Playtime
Pico Playtime

I was at a primary school and had to climb up on a ladder to clean out the dust filters in the projector mounted high on the ceiling of the school hall. Predictably, there was a thick layer of dust, probably building up over three or four years since whenever the last time the projector needed servicing. The dust was a pale shade of pink to match the bright red school jumpers and cardigans that the school used for its uniform.

Vor 11 Monate
Jackalope Wright
Jackalope Wright

Veritasium inadvertently shows the problem with depending solely on internet research. In terms of particle count, human cells are probably the largest component of dust, but take your own dust and examine it under a microscope. By volume mine is mostly hair and fibers, especially in the bedroom where the comforter is constantly shedding fibers. If you have a down feather comforter in a flannel covering then probably 80% of the dust in your bedroom is from this one source. We replaced our down comforter with a synthetic one and our dust volume went to maybe 10% of the previous value.

Vor 8 Monate
TheRandomMan
TheRandomMan

So the answer wasnt actually in Google, it was in a book.

Vor 2 years
Ninpeg
Ninpeg

vdiitd 8:33 To clear things up I called around to some dust experts and they pointed me to this book

Vor 2 years
Sriraam P - Architect
Sriraam P - Architect

@Arseny Makarov lol

Vor 2 years
vdiitd
vdiitd

But, he probably found out about that book from google.

Vor 2 years
Rusty Shackleford
Rusty Shackleford

I'm pretty sure Google has that book on record since its almost 40 years old. But that's a pretty funny point. Considering most of the info he gained was from google, but the book did have some key insights you could pluck out.

Vor 2 years
Dino Donut
Dino Donut

OrangeC7, He only found the book after he personally talked to experts and they told him to read it. Google gave him nothing but misinformation and false claims.

Vor 2 years
Tristan
Tristan

Your videos are always really impressive.

Vor 7 Monate
john hardy
john hardy

I love that science doesn't have to prove or disprove anything. As long as you learn.

Vor 11 Monate
Jacob Lloyd
Jacob Lloyd

Made me feel less bad about overeating because I know my body isn't just making me fat with all that food. It has a good reason for being so hungry all the time. I can support that.

Vor 11 Monate
Sarang tamirisa
Sarang tamirisa

As someone with ichthyosis since birth, I can say most 90+% of the dust around me is my own skin

Vor 16 Tage
blueberry smasher
blueberry smasher

A few ago Derek was invited by NASA for ULA's Mars launch and live broadcast. Now, Google has sponsored this video. The young suave college graduate came a long way since his dusty dorm days. Congrats to you sir. Continue to make science education cool. A noble career and goal.

Vor 2 years
The Biggest Picture
The Biggest Picture

Congrats? Are you serious? How can he NOT mention that Google has a censorship filter, and therefore you won't get accurate results except for topics that are entirely uncontroversial? The ONLY reason Veritasium isn't being / hasn't been censored is because he toes their line -- as soon as he doesn't, Veritasium will be censored too. That's why they have to resort to this kind of advertising - they're essentially saying, "Hey, use us, cuz we're big, don't mind our censorship of everyone who doesn't agree with our agenda." Veritasium somehow hasn't noticed this?

Vor 2 years
Route 66 Photographers
Route 66 Photographers

Great comments. I found this more about people buying in to false information than about dust, in general. I see this constantly. All that has to happen is for a social media influencer, celebrity or politician to make a false claim and soon you'll have everyone on that bandwagon. But, I did learn a lot about dust too.

Vor 6 Monate
None Given
None Given

….that graph you referred to from House Dust Biology for Allergists, Acarologists and Mycologists, is the “The chemical composition (by percentages) of dried dust samples taken mainly from floors (after Davies 1958) “ However that graph shows that the majority of airborne dust is cotton particles. Limiting “dust” to particles less than 100um in size, only accounts for approximately 20% of particles (NIST, 2001) . So saying that >50% of 20% of all airborne particles is dead skin particles only means about 10% is chemically identifiable as “dead” skin.

Vor Monat
Kat
Kat

I'm severely allergic to dust, so this should be interesting 😂 let's see if I can get through this whole video without triggering myself, haha

Vor 11 Monate
Jey Lee
Jey Lee

I love the way you look at things, it's fresh. Also, you help me win a lot of arguments :)

Vor 3 Monate
Sciencerely
Sciencerely

As a stem cell researcher, I think it's amazing how stem cells are able to constantly renew parts of our body. It takes several weeks for stem cells to renew the outer layer of the skin and only 48 hours to renew the outer lining of the gut. Mutations can also affect this ability. Although most of these mutations are detrimental, changes in a gene called LRP5 for example can result in people having "super-strong" bones (I recently made a video about this). The world of stem cells is truly amazing!

Vor 2 years
Warren Garabrandt
Warren Garabrandt

"super-strong bones" sounds like something somebody would say when they're trying to put a positive spin on Heterotopic Ossification.

Vor 2 years
yahee122
yahee122

Are y’all hiring?? This sounds fascinating

Vor 2 years
Oberon4278
Oberon4278

Conservation of mass doesn't apply (at least not the way you stated it) to the question of how much dust mites living off of skin cells in a mattress can weigh. They also incorporate oxygen and water from their environment, and turn those into various solids that can accumulate in the form of waste and mite corpses. This is the same reason trees can be more massive than the nutrients they remove from the soil they live in.

Vor 11 Monate
Dominick P.
Dominick P.

Asking "is dust dead skin" compaired to "is dead skin in dust" is like asking "does this air make me breath" compaired to "how well does this air make me breath". How you ask, even if its the same idea, can change the answer a lot.

Vor 2 Monate
RB
RB

idk why i spent 15 minutes listening to this man talk about dead skin cells and dust but i enjoyed it very much thanks

Vor 8 Monate
Guna Kusal
Guna Kusal

I really like your vedios.... The way u go so deep in concepts so simple as dust... Amazing man u should not stop making such amazing vedios

Vor 3 Monate
James Blackburn
James Blackburn

Be honest, I can't see this "Google" thing taking off, just seem like something a library already does

Vor 2 years
luuzeri
luuzeri

Besides, Altavista is clearly better!

Vor 2 years
rawdez
rawdez

@Gregory https://en.wikipedia.org/wiki/Internet

Vor 2 years
Gregory
Gregory

But, what is "internet"? Does anyone even know? Is it like a book?

Vor 2 years
Jellytoni
Jellytoni

Ill let my Bing library search if its good or not, smh

Vor 2 years
naviddivan
naviddivan

Best video oh goodness excellent, learned A LOT about searching, human skin and dust, also very well made/edited video, a pure joy to watch

Vor 11 Monate
MagesIncorporated
MagesIncorporated

11:00 - This is actually a misconception. A lot of our own mass is gained or lost by breathing (most of the carbon released from cellular respiration is actually lost in the form of CO2 when sleeping-- part of why your weight in the morning is different than when you went to bed; or how a really calorically dense food can increase your weight by more than its own mass, though highly unlikely for humans), and so I see no reason dust mites be bound purely by the mass of the skin cells (though likely in that same ballpark, say twice as much as a max weight).

Vor year
AtotehZ
AtotehZ

2:54 This is why I haven't believed that since I thought about it. My guess was that it's remnants of everything that can degrade in the vicinity. Not all dust is the same.

Vor 11 Monate
The Peen Master
The Peen Master

I always thought it was dirt and pet hair because we have a lot of dust due to a rail road going by my house, so the trains that go by and disturb particles of dust and cause it to get everywhere

Vor 8 Monate
Zac Waite
Zac Waite

Since when did google need advertising? Have people not heard of it?

Vor 2 years
keesalemon
keesalemon

@AKGaming he does get a YouTube original series so yeah he does get YouTube sponsored

Vor year
The Biggest Picture
The Biggest Picture

@Hand-in-Shot Productions Yeah, exactly, these scumbags have tainted their own reputation via censorship of anyone who doesn't toe their enslaving narrative to such a degree that they are now desperate to generate positive propaganda using immoral or clueless Youtubers like Veritasium.

Vor year
Hand-in-Shot Productions
Hand-in-Shot Productions

That is quite funny! What's even more funny is that Google _owns_ YouTube, so making a YouTube video sponsored by Google is a bit ironic!

Vor year
The Biggest Picture
The Biggest Picture

How can he NOT mention that Google has a censorship filter, and therefore you won't get accurate results except for topics that are entirely uncontroversial? The ONLY reason Veritasium isn't being / hasn't been censored is because he toes their line -- as soon as he doesn't, Veritasium will be censored too. THAT is why they have to resort to this kind of advertising. They're essentially saying, "Hey, use us, cuz we're big, don't mind our censorship of everyone who doesn't agree with our agenda." Veritasium somehow hasn't noticed this?

Vor 2 years
NoThrottle
NoThrottle

@AnRa Arting I prefer google not because i dont care about my privacy, I just know how to manage what information I put out. Google is miles more convenient that anything out there.

Vor 2 years
Wiltoid
Wiltoid

incredible video! very insightful :)

Vor year
Xray Rep
Xray Rep

Brian May, the lead guitarist with the rock group "Queen", has a PhD in astrophysics. His major area of study was the effects of interplanetary dust in our Solar System. Dust is literally EVERYWHERE!

Vor 5 Monate
None Given
None Given

A Micrometer is a precision measurement device, often in thousandths of an inch or hundredths of a millimeter. A micrometer(micro-meter) is unit of precision measurement,x10^-6 meters. Although these two words are spelled the same they are not pronounced the same and do not mean the same thing. You measure particle sizes in micrometers (or microns) but you don’t measure dust with a micrometer.

Vor Monat
TeaJay
TeaJay

The container test seems to be flawed as the container itself is causing friction on the skin, which would increase the number of skin cells falling off.

Vor year
Yoyoman_ Blue6
Yoyoman_ Blue6

Google: "How do we reach those who don't know of Google?" Employee: "We should sponsor this YouTuber!.."

Vor 2 years
Jeroen
Jeroen

It's PR, not trying to raise awareness. It's no different than Coca Cola making ads. They don't do this just in case people haven't heard of them. They do this to associate positive feelings with their product. Google is a deeply evil company in what they do, having been moving from controversy to controversy in the last couple of years. Whether it's helping militaries build automatic drones, helping China censor their Internet, providing all their data to intelligence services in the USA without proper judicial oversight, or betraying people's trust by tracking them even in incognito mode. They need PR to keep their positive image.

Vor 2 years
The Forms
The Forms

Google is pure evil. Disliked the video. Ugh

Vor 2 years
lyle
lyle

@Tyler yeah i think this is more propaganda than anything. I think they want to act like theyre actively trying to combat false narratives and fake news. the word propaganda may seem like a pretty harsh word to use here but if i assume correctly then it is by definition propaganda, and actually a lot of things could be marked as propaganda.

Vor 2 years
MrMilu
MrMilu

It wad not a sponsorship for Google but a service provided by it. Think again for scholar.google

Vor 2 years
micah_lee
micah_lee

Tyler The love of money is the root of all evil

Vor 2 years

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