Scientific Concepts You're Taught in School Which are Actually Wrong 

in what country are told blood is blue ??? first time ever I hear this. I am 59. edit: and what about the temperature loss through the head ?? really ?? again, never heard of that. I was brought up in France and move to UK in 1998. neither in France nor in UK have ever heard those "concepts".

Going out in winter "with just a hat and buck naked. This doesn't make a 😏TINY bit of sense. " Package may shrink in cold weather.😏

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How can a smart guy like you (Simon) have absolutely zero German skills? Why don‘t you at least type the 4 words in google translate or so to hear how it‘s pronounced? Roughly right would be way better than completely wrong

That's THREE orders of magnitude greater, at least!

😂

Based

And yet the entire existence of youtube and liberals is to completely undo and tear down ever fact or standard that has ever been established.

@@markbrowning4334 Name one.

That's a common thing that used to "folk knowledge". I used to be told it all the time as a kid by adults, and I would have to correct them.

That's a Spinal Tap joke.

I probably would have barged right in to 'correct' the teacher. My COMMON SENSory organ must be faulty😄

Your bro wasn't fcking around with you, the teachers were fcking around with your bro

​@@bipolarminddroppingssometimes the school stops telling the lie. But at the same time, who cares. Why teach it to kids? This for someone that may want to know because they decided to follow the education of the body to be a doctor or something! Why would anyone else care?

You are truly wonderful 🐳

❤a golden beacon in the dawn

Saved me 15 minutes. Thanks!

thanks for saving me time watching a dumbass video

Thanks. Don't need to waste my time now

another myth, more than little bit of carrots will cause diarrhea in rabbits. Any root veggies + fruits will work like that for rabbits.

*pushes glasses up* axshually....they are really bad for rabbits. not to say the same level as dogs and chocolate, but certainly not something good to have in their diet overall.

What do bunnies need such good eyesight for anyway?

@@nekomatafuyu Hah! to see which way the foxes are coming?

TooL: Undertow track 69 "Let the rabbits wear glasses"

​@@zahadou You are correct😅

I had to retake intro to Chem after getting a bachelors degree in physics, I talked to the professor asking for help because I was so confused due to how many lies and half-truths there are. He tried to tell me everything we were learning was 100% accurate. I stopped giving a shit after he told me that.

@@CoffeeLoki67879 Yeah, well, you have to understand the basics (which are just that, basics) before you can get the higher concepts. How many times in physics is friction ignored? Real? No, but still valuable.

​@@zahadou "I've no idea what you teach"...... it's the first sentence of the comment..... were you just looking for mistakes to point out and ignoring everything else?

Thanks for reminding me that Universities were complete waste of time and money and you took a paycheck for it.

Came here to say this. Blue has harder time penetrating and so reflects more. Red penetrates better and is absorbed. Reflected light is blue so we see blue.

I think that's a lie!!! 😮 You can't build up from a lie 😢 Teaching the basics is better then lying about the whole truth! You build up from the BASICS Any one that says otherwise is lying or at least misinformed and didn't think about it! Misinformation is a big thing these day's in everyday life! I wander why!!

And sometimes when we have fever I guess

No, but even mentioning the heat loss from head doesn't make sense. If written more accurately, as in heat will be lost more from any part of the body not covered than from those parts that are covered, it would be obvious how redundant it is to even mention it.

@@loganmedia4401 nah, i think it makes sense to mention it. I mean, right off the bat, generally speaking the head, hands and neck are the last things you expect a person to cover when dressing themselves. Also its way easier to underestimate how much heat youre losing through your head as opposed to your hands or neck

@@loganmedia4401 and yet people constantly go out with parts of their body exposed because they are wearing a coat.... Almost like you are proving why the saying is necessary

Blood can also be pink due to hyperlipidemia. Basically, lots of fat in the blood. The fat adds a white color, mixed with the red of normal blood makes it pink.

@@thecaneater In her case, this was the reason.

She could be a klingon (from the 6th movie, more specifically-all the others are assumedly from the north 😂

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Babies have big fat heads. They look like aliens

It really depends on how much hair you have, and what kind. I had a friend who had very thick, bushy hair. Confining it in a hat squashed it down, decreasing its insulative qualities and making him colder. This is why you really shouldn’t put a coat on a fluffy dog in the winter, you’ll actually make them colder.

Babies also just get cold more easily in general, because they have a much higher surface-area-to-volume ratio. So keeping them warm is important.

​@anna9072 I think it depends on the breed. Some dogs like pugs recommend having a coat if it's too cold.

@@bluex610 yes, certainly breed matters, that’s why I said “fluffy dogs”. Pugs are short-coated, and they’re also small, so would lose body heat faster. But I’ve seen people put coats on dogs like huskies.

Correct. This wasn't just a rumor - British and US governments printed propaganda flyers and posters advertising this, especially after a much more advanced radar tube was developed in the US in 1943. The Germans actually had a primitive radar system, but it used a lower frequency (not microwave frequencies), and wasn't remarkably effective. The carrot propaganda was designed to hopefully stagnate the German discovery of the more advanced radar, and the carrot/eyesight myth carried forward into Baby Boomers from their parents, most of whom didn't know the truth behind the propaganda posters they saw. Many of those Boomers became teachers, and taught Gen X the carrot myth. It was so prevalent through the 1980s that it could be found in school science books as a "fact".

Return to Monke

​Lucky he wasn't an Alpha male, probably...😊

Actually the whole alpha thing comes from studies of chickens. Not roosters, chickens. Females.

​@jrector666 so I guess being hen-pecked is pretty normal...

Same, so I always knew that map was a lie. I also had a few teachers who believed urban myths.

The sadest part about this, is that you're clearly a thinker that challenges the norms and generally accepted misinformation. But being told you were wrong, damages that important spirit, crushing it back into conformity. I hope you managed to retain the independent thought needed to explore, discover, and learn the real truth, wherever you sought it. Go get it back NOW, if you didn't.

Elementary teachers have a penchant for being under-educated, ironically.

it gets worse now quantum physics is part of the syllabus they have made the photon a particle, even though many have disproved it..

Same, except my school acknowledged the inconsistency and said that's why the map isn't on the test - just the list of senses (but they still liked to see kids do the test and see if they thought for themselves). This was many decades ago btw. Something similar happened in school to my dad btw, when they tried to teach him that the number of grains of sand on a beach were infinite, and he refuted the claim by noticing that the earth itself is finite. Obviously, for the number of grains of sand to actually be infinite the earth which contains the sand would also have to be infinite. His teacher did not accept his refutation, sadly.

Yeah, that, and no one actually believes that, when fully naked, 80% of heat loss comes from the head. If they did they would rush to cover their head when it's cold, while everyone prioritizes covering the rest of the body.

Spot on

Was coming to comments to say this lol

I love it when someone busts out history.

I look forward to Simon debunking that in "5 myths about propaganda you probably believe".

@@francisboyle1739 there are actual advertisements and posters from ww2 that say things like “night sight is life or death” and go on to list vegetables high in vitamin a including carrots and that it’s essential for vitamin a to be eaten for good night vision. It was truly used as a cover to try to explain away why the raf could find and shoot down German bombers before they even hit the British channel because they were trying to keep the onboard radar on their planes a secret.

That’s really interesting. I had no idea about that. Also fcuk cancer - I’m sorry you had to find out that way.

While teaching kids old information as if it were current is indeed a problem, I feel like you're veering too far towards the other major problem in science education: teaching science as a collection of information instead of a process. The various historical models of the atom aren't important. And unless you're a chemist or particle physisist, neither is the current one. What's important is why those models were initially accepted, how we determined each of them was wrong, and how that led to the next wrong model. Building models based on the available data, testing them, and adjusting based on the results. That's what science IS and what's important to instill, despite schools generally being awful at it.

@@Riven_5 Yes I agree with that being important, but people should know the major general consensus of current scientific theories as well. They should know basic physics, biology, etc at least.

Cough conventional current cough

@@Statalyzer Yes, absolutely. Conventional is what should be taught.

I used to think the election was the smallest, then i realized those running in the election must be smaller...

Very nicely put. I tried but failed to be this concise, explaining this reality.

Absolutely true and well put, but this upholds the fact that one will "be" cold if going outside with wet hair, not the folk myth that we will "catch a cold" if going out with wet hair. That requires one's system to be exposed to an infection, not just lower temperature. When I was a child in the 70s, all the responsible adults seemed convinced that one caught a cold simply by being too cold.

If it's really cold, the water turns to ice, which is a pretty good insulator. Once the hair next to your scalp, warmed by body heat, dries out, creating a pocket of warm air, it's kind of like wearing an insulated helmet.

Especially that he scores high on the psychopathy scale...

I always thought when someone claimed to be alpha, they really meant they were scared

Or you can think of it as being an indication of self-awareness. After all, 'alpha' denotes the initial version of a product that is first given to testers. Their development teams just released these guys to the public prematurely. They need more UX testing.

Reply I learned this same information from The Fat Electrician (another RU-vidr who does video about military stuff). Basically the carrots thing was intentional misinformation.

... does* eating carrots improve eyesight

@@einundsiebenziger5488 Carrots are a source of carotene which is converted into vitamin A. Insufficiency of this will lead to poorer vision.

Yes, I have heard the same story: that it was the British government that popularised the myth that carrots improved your eyesight ( specifically in pilots) as a way if covering up the use of radar. It had its source in the fact that carrots are a good source of vitamin A, which is needed to maintain eyesight.

I have also heard that the Germans did not believe it and thought the British were trying to conceal their improved radar. The British were really to conceal the code breaking at Bletchley Park

I can at least accept the sense of temperature being separate from touch since it works for both gauging ambient temperature as well as temperature of objects through contact. Pain, though? That's just touch, but harder. And yes, extreme temperatures can cause pain, but do so through touch. At worst, you can call pain and temperature pseudo-senses under the umbrella of "touch."

​@semaj_5022 Something I rarely see mentioned about the human sense of temperature is that the "hot" and "cold" sensitive nerves are physically separate and distinct. Feeling "hot" and feeling "cold" are orthogonal vectors, and you can simultaneously sense both "hot" and "cold" at the same time! This is what Menthol does by the way. Similar to how Capsaicin stimulates the "hot" temperature receptor, Menthol stimulates both "hot" and "cold" receptors at the same time. Also, you have olfactory receptors all over your (human) body, not just your nose. There are olfactory receptors inside your stomach, in your armpits, and on your genitals. Your body, like most animal life, has a distinct sense of being poisioned. One of the only parts of the brain which directly comes into contact with blood, is dedicated to sensing poison, and will immediately eject the contents of the gastrointestinal tract out of either end until the poison is gone. The sense of carbon dioxide ppm dissolved in your blood is the sense of suffocating and needing to breathe. (You can't sense the oxygen level, only excess carbon dioxide. This is why hypoxic atmospheres are so dangerous: everything feels "normal" until you lose consciousness and die.)

@@juliavixen176 Speaking of olfactory receptors, if we are to extend the principle of "pain and temperature use different nerve receptors than regular touch, so they're distinct senses", then that would also imply that we have hundreds of different "senses", the vast majority of which are just the different unique olfactory chemoreceptors.

Must be a pretty backwards society when you literally have to unlearn shit that you were taught as truth only a year before. Like can we just skip the lies and go straight to the truth ? Who decreed that lies were a mandatory part of the curriculum ?

in grad school they tell you the same thing about undergrad, it’s kind of a turtles all the way down sorta deal

@@iRunKids I only had science electives for my film undergrad. Then I went and got an MBA because I’m a masochist. There was less of that in Business school.

Heh, in my first year Psych classes half of them were "This is the popular science version of X experiment. Here's the actual paper, go read it and tell us how the popular science is incorrect." Things like the Milgram experiment, Stanford Prison, Calhoun's Rat Utopia... and so on, and so forth. By the same token, my first ever lecture in applied psychology had a 15 minute diatribe on how early social scientists obsession with math and quantifying everything is equal parts amazing and destroys psychology. :D

Centrifugal Force, when you spin a ball on a string it is held in orbit by Centrifugal Force. My grade school science teacher explained this with a straight face. Then in college physics, no such thing. It is Centripetal Force = mass x velocity2 / radius. He could have said we call it Centrifugal, but this is just a name we assigned to represent a set of advanced math calculations we have not covered yet. I wonder if he actually knew the correct answer?

A story reported in the news in recent years, was when a teacher reported a young pupil for disobedience and disruption, when they argued with the teacher's claim that one kilometer was a greater distance than one mile. Even though the teacher was wrong and the pupil right, the pupil was STILL suspended for being argumentative, when the school agreed with the teacher that the pupil accepting the teacher's word as gospel was more important. Wow, are we heading for catastrophe, when the importance of FACTS being RIGHT is worth less than brain-dead obedience. PS extremely sad to hear your parents taking that same blind obedience route, and not realising and appreciating your cleverness in understanding the deeper story. It's the kinda thing that scars people for life. Sounds like you at least comprehend WHY they took that stance, and even understand how and when you might need to apply this "toe the line" strategy. There are times (like, when writing a PhD) when suggesting the controversial can win brownie points - but even that depends on whether the people assessing your thinking prefer the notion that you challenge the accepted norms, or fluff their tail feathers with some "yes-men" flattery. Ultimately, if your career leads to the need to break traditions and find new ways (rocket science, for instance) then you need to keep pushing the boundaries. On the other hand, a career in sales and customer helplines means having to accept "the customer is always right", no matter how daft their expectations.

@@bythelee School traditionally wasn't about educating children, it was about turning them into obedient workers and soldiers. There seems to be a lot of inertia in the system tho.

@@bythelee Even more scary given the rise of fascism we are starting to see.

Remember that half the population is below median intelligence.

@@bythelee I always think back to the immigrant attending college that got accused of rape. Another student, the woman, accused him of rape after she regretted sleeping with him. Guy is cleared as footage clearly shows her literally dragging him home. School still expells him and says they don't let rapists go there. Justice, welcome to America.

Very true! And the fact tha5 we are "tilted" relative to the suspected plane of the galaxy, as well as where er are in the "thickness" of that plane..... among other things. I do suspect that these things would make the topic too complex for young minds. Heck. It makes MY brain ache😅

yeah its one of those weird ones, where i partially get why its done, and also hate it overall. there is also ofc pure incompetence in so many ways like "new math" that they keep trying to teach in america despite it fundamentally being flawed. my dad PROVED it mathematically to the school board in GA when my sister was in grade school. So GA removed it form the curriculum, but its still being taught in a lot of places in america. As to the kind of things where im like "yeah i get that you are teaching it "wrong"", E=mc^2 is ridiculously difficult to understand. like that one equation is taught as a course of its own AFTER you have taken multiple other advanced math courses. so ofc high school or middle school isnt going to do a good job of explaining it. there are other concepts that are true 99.9% of the time, but explaining that .1% is again something you would learn while getting a masters in that subject. its again understandable that its "dumbed down" and "wrong". i still think that over all it could be done better, but the point stands that in some instances it really is the only feasible way. Where the real issue lies is twofold: most of our textbooks are 20+ years old so have a lot of outdated/incorrect info and so much no or then is dumbed down that just does not need to be. just because its going to take 10 minutes to get it right they mangle it so it takes 5 minutes instead.

No it had to do with radar and was used to explain how RAF pilots were seeing in the dark. Also carrots were an easy to grow food so encouraging people in the UK to eat more carrots was also a way to help with food rationing.

​@thehomeschoolinglibrarian I thought the cover story was that RAF were seeing targets better "because carrots", but it was the fact that the code was broken so the RAF knew where to hit.

@@captainspaulding5963 I thought it was to cover up our use of radar too. Found this on BBC Science Focus; "To prevent the Germans finding out that Britain was using radar to intercept bombers on night raids, they issued press releases stating that British pilots were eating lots of carrots to give them exceptional night vision."

​@@TheDJPCol oh hell! Had them confused!! Thank you :)

Ist was radar and a special aming optic for the anti aircraft guns. Both helped britan to win the air war. To cover it up, they used the carrot myth.

me too, i was like wtf

i cant believe anyone thinks that?

I’m English and have never heard it either. If it is Anglo-American, it never penetrated my neck of the woods.

I am from New Zealand and have heard of this blue-blood myth somewhere. I can see blue-looking veins in my arms even though this is an optical illusion.

I am African and I have never heard of this blue blood myth either

Spot on!

It's like the "Great Man" theory of history (also debunked). Sure, you can be skilled and well adjusted, but that won't magically make you a leader or more successful without the right circumstances. Even a "beta" male can get along well with others and find happiness.

It's honestly really difficult to conceptualize proprioception for a lot of people, I'd imagine. The sense does utilize touch, but it also uses sight, hearing, balance, etc, along with your brain's mental map of your location and understanding of direction and time. It's a lot easier to picture it as "knowing where you are by everything you're touching," wrong though that may be. Brains are the most difficult thing for brains to understand.

@@semaj_5022 You no doubt use all that information to keep track of the state of your body, but proprioception itself is a distinct sense with specific sensors for it in the limbs. I know someone who fell off a bike and suffered a broken arm. He said he knew it was broken because it felt like his arm was in one position, but when he looked, it was pointing off in a different direction.

If you lose your sense of balance, as many people have before, it will become immediately obvious to you that it is a distinct sense all by itself.

@@covereye5731 my friend keeps saying "tactile" "tactile" every time I've tried explaining different senses to him over the years lol. It's maddening

Balance, Time, and Pain are completely unrelated to skin and touch. E.g. emotional pain caused by finding out someone cheated you or made up stories about you. So there are definitely at least 9 senses - not 5.

Exactly. I can distinctly remember being quite upset about being taught election 'orbits' as how things were and then clouds later. Very distressing. I doubt that it even marginally disturbed most of my cohort though.

so you would want to teach 5th graders advanced quantum field theory and general relativity? You can always escalate the complexity of such a topic up and up and up more, you have to start somewhere

@dangernoodle235 no I'm not saying that... but you definitely know that those who design the curriculum are failed teachers, it's better to lead up to something, rather than say "these are election patterns" then clouds, then basically be relearning, in no way was I suggesting Quantum Theory should be taught to 8 year olds... I'll see what happens in a few years when my kids get there...but certainly in my education it started to get a bit annoying when you could teach kids things that are relevant, and if they have a higher proficiency in certain areas, then adjust for that. But I just feel like I spent a lot of time in the sc ientific areas, that were wasted. Not that I ever studied, but it was really annoying to spend time on one thing, then next year "no, this is how it actually works, then the same over and over again" I understand if it's new understanding happening. But it's a waste of time... in my opinion I'm not a teacher, but I have the feeling that those that devise curriculums, are those that became teachers and couldn't teach. And I would have happily learned Quantum Theory as early as possible. Unfortunately my physics teacher was not what you would call a great teacher. I have always been more into biology and chemistry, and mathematics when needing to adjust imperial to metric, grains to grams. But since children I got into learning about Quantum Physics, because it seems on average from a 4 or 5 year old the 7th "Why?" Means you're at the Quantum level...😆

@happyzahn8031 haha, it just annoyed me most because I can't study. I was later when I was about 33 diagnosed with innatentive ADHD. So yeah, most people in my class didn't care...but I did. Because I couldn't be bothered/never studied. I did get high enough grades in the end to go into medicine...but it just frustrated me that they couldn't just teach me something different, or whatever it is straight up. Because by the 4th year of that happening it was starting to be mildly irritating...but I'm sure there's things that hace changed now. I mean since I left Pharmacy I can't believe the insane policies and changes in scheduling and the supposedly safest medication has vanished... in much faster time than ever used to happen.

I am a high school history teacher. Even in Texas, we haven't taught the Columbus myth for at least 20 years. We do talk about the 'Columbian Exchange' that got set up in his wake, but not that he was the first European.

That's not what was taught to me 30 years ago.

I actually remember that from my time in the service. They taught that but with an asterisk on it, depending on environment and situation here are the basics

sure. that's where the disinfo came from. Some super influential guy misinterpreted an army manual. Thanks for straightening that out for us.

But how much of that heat loss is through respiration. I would think the majority. Strange it wasn’t considered.

Makes sense. When most of your body is covered in insulative clothing, most of your heat loss will be through the bit that isn't covered. Hardly controversial - until someone oversimplifies it to nonsense!

I certainly don't think of pomegranates and black tea as having similar taste.😂

@@ceilingfan12345 Technically, they're both (mildly) acidic.

I think he means that since blue's absorbed more easily by everything that isn't a vein, it's really the main color reflected by veins which is why they appear blue to our eyes. I agree it could have been worded better, though.

The skin is not a mirror. Wavelengths are absorbed to a degree (as with anything around that you perceive colored). Red apple reflect more of the red spectrum, but of course not 100%

3:31 That’s not what he said. He said that red wavelengths are absorbed more by the skin, and the blue wavelengths penetrate the skin. The light that is able to go through the skin is no longer white light, as some of the wavelengths have been absorbed. When it hits the flesh-colored vein, the vein looks bluer than it would in white light.

I was chatting to a high school physics teacher friend of mine; we were talking about how cool it was that science had advanced in so many ways since we ourselves were in high school. I said, laughing, _"For example, remember how they used to teach us that electrons were little balls that flew around the nucleus like planets around the sun!"_ He looked at me, genuinely confused, and asked, _"Right; and what's wrong with that?"_ PHYSICS! He was a high school _PHYSICS_ teacher! 🤯 To be fair, his degree was in Chemical Engineering. But still!

Wouldn't he have had "cupriglobin" then? ....as "hemo" implies iron by definition.🤔

Smell and taste are really the same sense. When you smell, you're just tasting the air.

This one is tricky, since while you cannot catch a cold by being exposed to cold (common cold is caused by viruses), there is a seed of truth in that "myth". When our body extremities are exposed to cold air for a certain period of time, your body will start limiting blood blow to the extremities, which also includes the nose and the sinuses. Since a cold nose is a dry nose, the cold virus particles can no longer be retained by the mucus and may reach all the way to the inside of the nasal cavity and up until the lungs, causing respiratory infections. This is why people with diabetes and compromised immune system get fungal infections so easily, the nose capillaries are atrophied, meaning less blood flow, less immune cells and lower tissue temperature, allowing fungus to grow.

no, colors are the lengths of light waves, but the pigment interacting with skin is like a collaboration of these two

@@avrillavignefanclub1927 You've just rephrased what I wrote, but you did it in a very confusing manner.

​@castleanthrax1833 How do you think a laser works? What color light do they emit? Where in a laser diode is the "white light" and what is it interacting with?

@@xjunkxyrdxdog89 What has that got to do with what I said?

@@castleanthrax1833 "Isn't the colour of EVERYTHING just a by-product of how white light interacts with it?" Lasers are included in "everything". Now do you intend on answering any of my questions or are you just going to deflect?

Very underrated comment. GG my learn-ed friend.

You mean in the film The Thirty-Fourth Sense?

Clairvoyance....I imagine it'd be difficult to see or meet with Mr Willis these days.

Such as...

If a person has any gold amalgam tooth backings, putting any dissimilar metal in the mouth is very uncomfortable :)

@@ThePhysicalReaction That's why you should never chew tinfoil.

Rainbows are caused by the colours within sunlight being refracted through rain drops. We see one big rainbow because the rainfall acts like one curtain of water formed from millions (actually more like billions) of rain drops. A single raindrop does not produce a rainbow, it splits an incident ray into colours and if youi could see that from several miles away it wouldn't be an image like a bow. The reason the rainbow does not fall to the ground with the raindrops is that its position depends on the sun which obviously is not falling to the ground (or at least not in the timescale of the minutes during which a rainbow is visible), and on your position and you are probably not falling. To understand the rainbow image requires a geeometrical diagram showing the position of the sun, the observer and the falling rain, combined with ray-tracing of the incident and refracted rays of liight in their different colours. It's very complex and cannot easily be imagined or visualised but the physicists and science teachers have got this one right.

@@johnparry9313 I know how it works. My point was that we don't go into complex explanations for 7 year olds. We give them the simplified 'lie'.

That's not what "begs the question" means.

I thought I was the only one who heard that! 😛

I think that might just be a British-ism... like how they refer to math as 'maths'

@@The_Real_Kyrros "Maths" is because the British are aware this is a contraction of "mathematics". Their mistake is in not calling it "math's" with the apostrophe signalling the removed letters. "Do the mathematic" is not right, so "do the math" is equally not right. But it has become a commonly accepted convention despite that. The use of "maths" without the apostrophe is an equally accepted convention in the UK.

@@The_Real_Kyrros He meant to say "through your veins" and said "brains" instead.

@@bythelee Thank you for reminding me of the things I already knew 😜

I had deja vu for this episode also.

He definitely has done most of the things in the videos before on other videos and even this exact premise before.

Simon had a video about scientific principles being portrait "to easy" where he mentioned the tongue story at least. But since 80% of the RU-vid traffic goes back to our lord and saviour it should be quite often that stuff comes up double

Until it stops getting views.... does nobody pay attention when he speaks? "We are creatively bankrupt and we'll make the same videos over and over if people keep watching".

Are you sure you are not watching the same video over and over?

What do you mean? I quite literally learned that we have 5 senses and that the taste buds on your tongue have different zones from books in the late 80's and early 90's. They were most definitely things that were taught

​@@captainspaulding5963 i was born in 2000 so maybe thats why, (im also from europe) but i wasnt taught most of these things, teachers even was explaining at school why these topics are incorreact

​@avrillavignefanclub1927 yep, which is why I included the phrase "things that WERE taught". Gotta look for clues when reading in order to gather the whole story before commenting.

@@captainspaulding5963 That's the only one he covered in the list that I remember being taught to us in school (80s/90s), the rest were just myths passed along socially or perpetuated in media. Edit: I do remember being told we lose heat through our head, but this was from recess staff warning us to wear beanies before going outside. It wasn't like, part of the class or anything.

@@captainspaulding5963 oh shut up you sanctimonious muppet

What you're describing is Lamarckian evolution... Did you perhaps go to school in the Soviet Union? There was a whole push of Lamarckian evolution for ideological reasons, people like Alexander Lysenko were involved... So maybe your teacher was a leftover of that?

@@RoonMian I wish!! it was actually when learning about Lamarck that i had that "flashback" and was like... wtf.?? but no, neither the teacher nor i were from the ussr or the early 1800s. she just felt the need to explain evolution to her class of children but clearly had no idea what she was talking about and we were like 8 so no one could call her on it 😂 it wasn't even a science class

@@CoughitsKath Very weird.

That's the number I knew too, from education in Southern Africa where it's not that cold. Seems like this "80%" myth is indeed geographical (Anglo-American, perhaps?)

Primary or secondary sex traits don't determine sex. No matter how many atypical sex traits are expressed, actual sex remains unaffected. It's all about gametes. You either make the big ones or the small ones. And yes, females have hair on their bodies as they are in fact mammals. Although they typically don't have as much as males, it doesn't mean they aren't female. Total misogyny. Turns out you didn't have a good one.

@@tinymutantsquid 😂 Nothing you said argues against my statement, genius lmfao And you're wrong about sex determination. Gametes don't determine sex either, it's possible for a body to produce both or neither. Chromosomes also don't determine sex, as there are people with XY's who have given birth and males have been born without a Y.

@@tinymutantsquid Sex is determined by the individual, not by a grab bag of traits and/or genetic expression.

@@SirSpenace Cool emoji. No need to argue against points I didn't make, it's super boring. Chromosomes don't matter. Humans only produce 1 set of functional gametes. An individual’s sex is defined by the type of gamete their primary reproductive organs are organized to produce. Pointing out super rare intersex conditions are not only exceptions proving the rule, in those cases one set doesn't function, leading us back to my simple and straight forward assertion. As far as your grab bag comment, I agree, that's what I said, although I have no idea why you decided to argue against your first position. I guess you're confused, hence emoji instead of substance. Which makes your 'sex is determined by individual' comment make sense... you think you can just believe hard enough, and with enough emojis, you can change reality.

@@tinymutantsquid @tinymutantsquid Ohhhh there it is. The transphobia. You "there are only 2 sexes, cope" types always circle back to it. Congratulations on taking the most words I've ever seen to do it, I'm sure it makes you very proud of yourself 🤩 Here's a trophy🏆 I'm not arguing against myself. And using an emoji doesn't discount anything I've said, the fact that you're resorting to such a logical fallacy is very telling 😂This is the internet, if you can't handle emojis maybe you should stick to books. My comment about chromosomes was only because your gamete hypothesis is a hair's breadth away from "XX=Female//XY=Male" stereotype. And it's cute that you like to pretend that variations in things such as gamete production and chromosome expression don't come attached to very real humans, but they do. You can't poopoo away their experiences and feelings just because you want to be an absolutist about sex determination. There are quite literally millions of examples alive today, it doesn't matter how rare or exceptional it is. Those are still people who deserve to reserve the right to determine their own sex. Unless of course you're advocating for "corrective" surgery on infants. Which, by the sounds of your disgust towards the sexual deviance, would seem to be a logical assumption.

medical research

I googled it: "Its blue blood is harvested for medical researchers and used by drug and medical device makers to test for dangerous impurities in vaccines, prosthetics and intravenous drugs. The crabs are used by fishing crews as bait to catch eels and sea snails."

Mr Spock required a transfusion.

They have copper (blue) blood.

The blood is used to test IV medications for bacteria. I know there's a Today I Found Out video on that one that goes into detail about how it is used.

some flat maps do that because they have to warp something in order to get a round surface to be flat. they make the land masses closer to the poles bigger. but there's also a version that just makes everything looks super long.

it is just impossible to present a globe on a flat regtagle map without streching some places, it causes incorrect size of continents

Teach told us about map distortion first time she showed the world map

@@danicorvin good I'm happy to hear that. Because when I was in primary school they did not explain that. At least it sounds like it's getting better then 🤷

@@avrillavignefanclub1927 It is possible to make a map that doesn't have incorrect sizes. It will just have incorrect shapes instead.

I think the last time he brought that up was in a Today I Found Out video, so I think it's a case of different writers from different channels overlapping.

@@Sammael251 Thank you, thought i'd seen this recently. You'd think Simon would remember!

​@van_trippin5260 he's explained MULTIPLE times that he retains next to no knowledge from the scripts he's reading. You shouldn't expect him to remember anything

@@captainspaulding5963 then he can EXPECT me to click off a video if he repeats himself.

@@Sammael251 I don't think so. I'm fairly certain I saw the thing about the carrots and the blue blood too.

all of these have been mentioned already

kerricting peeples speach shul b dun korectli.... " slight slip of the TINGUE?"

Also misspelled "slip"

​@@craigfurlong7981Correcting an incorrect fact differs from making written errors.

​@castleanthrax1833 still, if you are going to be pedantic, you should make sure you are correct, in all aspects of your response.

@@captainspaulding5963 Getting facts correct is not an example of pedantry... especially when the video itself is about getting facts correct.

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