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There are some things we learn at school that are accurate at the time yet are found to be false later. At the same time, some things are already incorrect, but we are taught them regardless because the teacher lacks knowledge or their information is outdated.

Most people will likely have had this experience. And because it’s always fun to share and read about these things, when one Reddit user raised such a question online, the post blew up, with people bombarding the comment section with replies. Scroll down to see what they wrote. And if this list doesn't satisfy your hunger, have no worries because we have two more of these for seconds and dessert!

More info: Reddit

#1

32 “Now-False Facts” That Were Really Taught In Schools, But Did Not Stand The Test Of Time I was told theres no such fish as an alligator gar when I chose it for a report. The teacher refused to let me look it up on the internet(very early at the time and "untrustworthy") or encyclopedia(would take too long). So she asked the kid in the room who was known for being into animals. He had never heard of it, so it couldn't possibly exist.
I will NEVER not be salty about this

710forests , Florida Fish and Wildlife Report

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Brainmas
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Terrible teacher! She should have used it as a learning opportunity for herself and the class. I always loved it when my students could teach me about something I had never heard of.

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    #2

    32 “Now-False Facts” That Were Really Taught In Schools, But Did Not Stand The Test Of Time When I was in junior high in the mid 80s, our Earth Science textbooks had continental drift, and our teacher said, "Okay, so I need you to ignore all of Chapter 4" (or whatever it was). "Plate tectonics has been the accepted theory taught in colleges for 10 years now, but K-8 textbooks haven't caught up yet."

    I feel like the version of plate tectonics I learned was a tiny bit garbled compared to what kids learned 10 years later, but my teacher was directly pulling from college texts and published scientific papers and distilling it down for 6th graders, so more power to her!

    AliMcGraw , NASA Report

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    #3

    “Just ignore the bullies and they’ll go away”
    “You can be anything you want to be when you grow up”

    Pure-Contract7101 Report

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    R.A. Haley
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    The only bullies I ever saw stop, did so because someone whooped their a**.

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    #4

    32 “Now-False Facts” That Were Really Taught In Schools, But Did Not Stand The Test Of Time We were taught that Rosa Parks didn't get up from her seat because "she just got tired one day"; that the entire action was the spontaneous action of a lone woman.

    In fact, the entire thing was scripted and choreographed. While Parks was a seamstress, she was also the secretary to the president of the local NAACP chapter.

    She was recreating the protest done by Claudette Colvin. The NAACP wanted Parks to recreate it because Colvin was very dark complected, and a single mother.

    The NAACP thought Parks, who was lighter skinned, would appeal to white audiences seeing this on TV

    StillSilentMajority7 , Unseen Histories Report

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    David
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    It was a planned stunt, she tried 3 buses before one had a driver who reacted. It is also why they were able to respond so fast. But sometimes you need to force events to bring progress for a very real issue. And Parks had to be brave, because given the south back then, she is lucky she was not violently assaulted. She was brave even if it was a planned stunt

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    #5

    32 “Now-False Facts” That Were Really Taught In Schools, But Did Not Stand The Test Of Time Komodo dragon bites were deadly due to high concentrations of bacteria, not venom. Turns out that they are, in fact, venemous

    actual-hakim , Jeffry Surianto Report

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    #6

    32 “Now-False Facts” That Were Really Taught In Schools, But Did Not Stand The Test Of Time I’m now under the impression that we did not, in fact, have a nice friendly thanksgiving dinner with the native Americans

    witwebolte41 , krakenimages Report

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    pep Ito
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    The problem did not arise with the first settlers, who were few in number. The problem arose when the settlers increased in number and began to threaten the territories and way of life of the Indians.

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    #7

    32 “Now-False Facts” That Were Really Taught In Schools, But Did Not Stand The Test Of Time the we wont be walking around with a calculator in our pockets

    Need_Bacon , Mohammadreza alidoost Report

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    pep Ito
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    Then you run out of battery power and you can't even add with your fingers and then it's all crying. ;)

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    #8

    32 “Now-False Facts” That Were Really Taught In Schools, But Did Not Stand The Test Of Time In the early 80’s we were told that soon we would soon use the metric system in the US.
    Still waiting .

    Low-Argument3170 , Darling Arias Report

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    #9

    32 “Now-False Facts” That Were Really Taught In Schools, But Did Not Stand The Test Of Time We had lessons on how to get out of quicksand at school.

    I have no doubt that the method is valid - but the ‘disproven’ bit for me is the need to know how to get out of quicksand. It really isn’t an issue.

    In a similar vein, we had a lot of education about stranger danger. Again - not disproven. But much more valid would have been education about how much child abuse and abduction is committed by someone known to the victim. Australia’s Most Wanted had me petrified to look out the window at night. Turns out the dangerous person wasn’t lurking outside waiting to get in. He was a member of my family.

    KetoCurious97 , Clevergrrl Report

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    Bored Batgirl
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    Quicksand, spontaneous combustion and the Bermuda Triangle all seemed like things I was going to need to be concerned about in life.

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    #11

    32 “Now-False Facts” That Were Really Taught In Schools, But Did Not Stand The Test Of Time That as a kid, strangers were going to constantly offer you [illegal substances] . Thank you, D.A.R.E. program.

    marimba79 , Murat Emrullah Aydoğan Report

    #12

    32 “Now-False Facts” That Were Really Taught In Schools, But Did Not Stand The Test Of Time "putting aboriginal children in schools was okay at the time (I was taught ) and they wanted their children to go. The aboriginals were treated with respect and their traditions and values were protected." - Canada in the 90's, more specifically my social teacher in grade 6 or 7.

    Pretty sure now that's not how it went down.

    brkuzma , Zakaria HANIF Report

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    Heffalump
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    Well done BP: illustrating a bit about the cultural genocide of Canadian First Nations peoples with a picture of an Australian First Nations child. Well done. Brilliant.Just so damn impressive.

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    #13

    32 “Now-False Facts” That Were Really Taught In Schools, But Did Not Stand The Test Of Time When I was little, I was taught about the brontosaurus, mighty long-necked plant eater of the dinosaurs.

    Later, I was taught that, whoops! They accidentally stuck some random bones together and there was never any such animal.

    Later still, I recall hearing that, oh, actually, there was a brontosaurus after all!

    Or was there?

    To this day, I am still, as a 42-year-old man, unclear on whether or not there was ever such a thing as a brontosaurus.

    sosomething , Vaibhav Pixels Report

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    Donkey boi
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    To clarify for those wanting to know if it is a Dino or not, (in the simplest terms possible): It was actually Apatosaurus that was mixed up. With the Apatosaurus, they had previously never found a head/skull with rest of it (same with the brontosaurus), so when they found one just metres away, they assumed it was for the same Dino (Spoiler alert: It was not). Because of the mix up, they thought it was a type of Brontosaurus. However some people did not agree and put the head of another completely different Dino on it. They eventually worked it out (in 2015), found the right head, and established that it was not a type of Brontosaurus. So while we've never found a head, the Bronto IS a Dino

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    #14

    32 “Now-False Facts” That Were Really Taught In Schools, But Did Not Stand The Test Of Time Eggs are bad because of cholesterol.

    Lucius_Funk , Nick Fewings Report

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    Stephanie Did It
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    My poor Grandma was restricted to one egg per week by her cardiologist in the 70s, and it was pitiful how much she cherished that egg.

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    #15

    32 “Now-False Facts” That Were Really Taught In Schools, But Did Not Stand The Test Of Time Respect those in authority.

    The government, your company, your boss have your best interest at heart.

    If you work hard and play by the rules, you'll get ahead.

    Pour_me_one_more , energepic.com Report

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    sofacushionfort
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    Feign respect for those in authority. They may be totally incompetent at running things, but they have a well-crafted chamber of horrors for anyone who displeases them

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    #16

    32 “Now-False Facts” That Were Really Taught In Schools, But Did Not Stand The Test Of Time I remember learning that MSG (sodium glutamate) was really bad for you. It was one of those things I heard both at school and in my family to the point where we wouldn’t buy any product that had MSG in the ingredients.

    There have been multiple studies showing no evidence of adverse health effects from MSG. There is a subset of people that report hypersensitivity to it. But in double blind experiments, their symptoms tend not to show up when they don’t know they’ve eaten it. Conversely the symptoms DO show up when they think they’ve eaten it but haven’t actually.

    Conclusion: MSG is literally just salt and glutamate protein, which is separately in just about everything you eat anyway. 

    Approximatl , Elina Sazonova Report

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    #18

    32 “Now-False Facts” That Were Really Taught In Schools, But Did Not Stand The Test Of Time I've got 2 good ones.

    I had a social studies teacher tell me that Asian eyes were slanty because it was a defense mechanism for sand blowing in the wind. This was who taught topics like history and geography. She also said some other racist stuff against Asians that I won't repeat here.

    That same teacher told us that the city of Buffalo was named by taking the original native American name for the land Belle Fleuve (which is French for beautiful river or something) and "mucking it up". I never questioned why native Americans were giving things French names.

    Anyways, in hindsight I now realize she was a terrible teacher.

    716green , Antony Trivet Report

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    Pedantic Panda
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    I don't think the eyes theory is that far wrong. Current scientific theories point to protection for desert environments and/or high levels of UV light.

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    #19

    32 “Now-False Facts” That Were Really Taught In Schools, But Did Not Stand The Test Of Time Humans are the only animals that use tools.

    bullet_proof_smile , Anna Tarazevich Report

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    #21

    32 “Now-False Facts” That Were Really Taught In Schools, But Did Not Stand The Test Of Time That you should tilt your head back when you have a nosebleed

    richelle2020 , Pixabay Report

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    Charlie the Cat
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    I suffered from nose bleeds as a kid. The school nurse would ask me to tip my head back. I remember the taste of blood & the horrible feeling of it pouring down my throat. This was in the 80's.

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    #22

    32 “Now-False Facts” That Were Really Taught In Schools, But Did Not Stand The Test Of Time Where did we end up on “you can see the Great Wall from space”? Because at different points that was both true and definitely disproven in various textbooks I had.

    anthonystank , NASA Report

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    Ge Po
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    right now, you can even see my teacup from outer space, on google maps.

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    #23

    32 “Now-False Facts” That Were Really Taught In Schools, But Did Not Stand The Test Of Time That men have one less rib than women 🙄

    LordVolcanon , Alex Stolarczyk Report

    #24

    32 “Now-False Facts” That Were Really Taught In Schools, But Did Not Stand The Test Of Time God damn, I'm gen x. We learned that given then-current rates of productivity, we'd all be working 3 day weeks by 2010. Without being told we'd be *paid* for 3 day weeks, or that our labour would be offshored to Chinese prison camps.

    Sauterneandbleu , Tiger Lily Report

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    Apatheist Account2
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    I'm a boomer. We were told that we'd have met aliens by 2010, and all be driving hover-cars while wearing silver lycra suits.

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    #25

    32 “Now-False Facts” That Were Really Taught In Schools, But Did Not Stand The Test Of Time Blood is blue in your veins and only turns red when you bleed bc of oxygen

    tiddysprinkle , National Cancer Institute Report

    #26

    32 “Now-False Facts” That Were Really Taught In Schools, But Did Not Stand The Test Of Time I was taught that in college you will spend all of your study time in a library reading and researching using books and reference catalogs. The internet was evil and full of lies and not a valid resource for academic research.

    Begany11 , Iñaki del Olmo Report

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    WindySwede
    Community Member
    1 year ago (edited) DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    The last part is not wrong, you just need to know where to find the real facts. Not on Youtube were someone says the moon is bigger than the earth... 😅

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    #27

    That the teachers in the next grade up “Will not slow down”

    I remember hearing that in middle school. High school teachers and college professors were super chill and helpful most of the time.

    Humidwinterz Report

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    WindySwede
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    5th or 6th grade math teacher. "Math will only be getting more difficult" 😐

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    #28

    32 “Now-False Facts” That Were Really Taught In Schools, But Did Not Stand The Test Of Time That carrots make your eyesight better. This was in the early 90s.

    show_pleasure , Nick Fewings Report

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    Apatheist Account2
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    That's WWII propaganda to hide the existence of radar - although I understand that there is a minor improvement to night vision, which is enhanced by chemicals that go into the eye (hence how your eyes "adjust" to the dark).

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    #30

    32 “Now-False Facts” That Were Really Taught In Schools, But Did Not Stand The Test Of Time Dinosaurs are cold blooded.

    LinearFluid , icon0 com Report

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    geezeronthehill
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    Early paleozoologists equated dinosaurs with lizards, so they assumed they were exothermic (cold blooded) but science keeps increasing knowledge, and now we know they were endothelial. It's in the bones.

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    #31

    32 “Now-False Facts” That Were Really Taught In Schools, But Did Not Stand The Test Of Time My mom used to always say that muscle soreness from exercise was due to lactic acid. Now it's because of micro tears in the muscle.

    Crane_Train , Anastase Maragos Report

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    Tiramisu
    Community Member
    1 year ago (edited) DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    Not entirely true. If you have acute muscle soreness, meaning you feel the soreness during and immediately after for about 24 hours, it's lactic acid buildup. If it's delayed onset muscle soreness, meaning you start feeling it a while after doing exercise and it lasts about 3 or so days, it's micro tears from the exercise.

    Jared Robinson
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    I was taught it was both your muscles microtearing and the lactic acid entering those tears.

    3 Trash Pandas in a Trenchcoat
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    Wait hang on I literally just learned in biology that it was lactic acid fermentation caused by anaerobic respiration due to a lack of oxygen. What’s the truth??

    Bobby
    Community Member
    1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

    Both to a degree, it depends greatly on the nature of the exercise. If you are only doing heavy resistance training you have a very different amount of muscle strain and anaerobic respiration than distance running, yet both can cause soreness

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