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  3. What was a fact taught to you in school that has been proven false during your lifetime?

What was a fact taught to you in school that has been proven false during your lifetime?

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asklemmy
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  • K [email protected]
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    wrote on last edited by
    #61

    I would say "cursive is how adults write, you'll need to know it", but that wasn't true then either.

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    • B [email protected]

      I've been working on my hand writing, and these kids can't read cursive. I worked real hard and my young coworkers were like bart.Bart. I developed my own short hand during college. My notes might as well be encrypted. I can't be old! I'm still with it!

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      wrote on last edited by
      #62

      My handwriting turned around after I got a fountain pen. I went from doctor to pre-med handwriting. Having to think more about how to form the letters has me taking my time. No need to rush when I'm writing with a fancy pen full of cool ink.

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      • kingthrillgore@lemmy.mlK [email protected]

        Taste buds are arranged by flavor in four sections of the tongue. Complete load of horseshit.

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        wrote on last edited by
        #63

        Is it so bad to know your multiplication tables? It’s lowk a quality of life thing yknow. imo it’s just a good thing to know so you aren’t entirely reliant on the calculator for an answer.

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        • U [email protected]

          PLUTO IS A PLANET!

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          wrote on last edited by
          #64

          Ok Jerry.

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          • kingthrillgore@lemmy.mlK [email protected]

            Taste buds are arranged by flavor in four sections of the tongue. Complete load of horseshit.

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            wrote on last edited by
            #65

            I need to use multiplication at work every single day, it's extremely handy to remember them.

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            • B [email protected]

              I recently heard that they discovered hundreds of Pluto sizes "planets" beyond Pluto, so they had to decided do we add 100 more planets or just demote Pluto to planetoid and ignore the rest

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              wrote on last edited by
              #66

              Yep https://en.wikipedia.org/wiki/Eris_(dwarf_planet)

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              • D [email protected]

                Junk DNA is still a thing - some parts of thr genome are verifiably junk, and the rest is just "unkown". It's just that some of the "unknown" bits back in the day have now been found to actually be useful. At least this is my understanding as a non expert.

                chaoscruiser@futurology.todayC This user is from outside of this forum
                chaoscruiser@futurology.todayC This user is from outside of this forum
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                wrote on last edited by
                #67

                Various parts that don’t directly make proteins will regulate their production or carry out other vital tasks. Those systems take s lot of space, and all of it was considered junk DNA when it wasn’t understood. Biochemistry has taken huge leaps within the last 50 years, so many notions have been either updated or discarded.

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                • T [email protected]

                  Ironically, I have read that there was a study that found that the most gullible kids in elementary school grow up to be republican. I'm not kidding.

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                  wrote on last edited by
                  #68

                  I don’t think that would surprise anyone. The GOP has been a giant grift since at least Reagan. A loooot of people out there can’t tell when they’re getting scammed.

                  It’s one reason why educated voters tend to be further left on the political spectrum.

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                  • semi_hemi_demigod@lemmy.worldS [email protected]

                    That America is the best and most free country in the world.

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                    wrote on last edited by
                    #69

                    And eagles and burguers

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                    • D [email protected]

                      Unless you are by far the oldest person on Earth, these were disproven far before you were born

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                      wrote on last edited by
                      #70

                      Fair, but this is/was still commonly taught in schools. That's what the original question was.

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                      • rebekahwsd@lemmy.worldR [email protected]

                        We don't know what the appendix does, the whole pluto thing, I think the Oxford comma is going out of style, and cursive in general.

                        But I love cursive, mine was "very nice" according to my teachers.

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                        wrote on last edited by
                        #71

                        Eh, Pluto isn't really something proven false, just that we found more objects like Pluto that made more sense in their own category. It's classification, like there weren't always separate categories for feature films and short films, there wasn't a separate category for dwarf planets when it was just Pluto.

                        Oxford comma is useful. I think what's getting popular is just complete disregard for spelling and grammar.

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                        • darklamer@lemmy.dbzer0.comD [email protected]

                          Sure. You're very funny.

                          zippythezigzag@lemm.eeZ This user is from outside of this forum
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                          wrote on last edited by
                          #72

                          They exist. There's one in my town.

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                          • S [email protected]

                            Philippines was a US territory

                            that hasn’t been true since 1946.

                            I mean... It was a US territory. Well, at least it was under control of the US in some way. I think one of/the first cruel and unusual constitutional challenges was over something that originated in the Philippines.

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                            wrote on last edited by
                            #73

                            I suppose phrasing wins there. I meant u was educated in the 90s that it currently was a territory.

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                            • M [email protected]

                              6 x 6 mothefuckers. Y'all tell me that didn't immediately form "36" in your brain.

                              sonotsugipaa@lemmy.dbzer0.comS This user is from outside of this forum
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                              wrote on last edited by
                              #74

                              Nope, went through "(6 × 5) + 6". Slightly slower, but much more flexible since you can do that with any (base 10 representation of a) number that has a reasonable number of digits.

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                              • M [email protected]

                                That wasn’t so much a “fact” told in school as it was a prediction, and it was true for them. Some people carried pocket calculators, but most people didn’t. Some supermarkets has calculators built into their carts, but most didn’t.

                                Failing to predict society’s norms in 20 years isn’t the same as teaching a false fact.

                                thogot@lemm.eeT This user is from outside of this forum
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                                wrote on last edited by
                                #75

                                The same was told to me even as everybody already had mobile phones with calculators in them or even iPhones

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                                • K [email protected]
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                                  wrote on last edited by
                                  #76

                                  My sysadmin professor told me to not learn about tape backups because they are going away soon

                                  Like 3 years later ransomware was invented

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                                  • H [email protected]

                                    Did they finally find that out? Last time I checked even PhDs in aerospace engineering still added "we think" at the end of their explanations.

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                                    wrote on last edited by
                                    #77

                                    It is known yeah. Another user commented it. If you take a wing and put it in a wind tunnel you can put sensors in its wake to measure the pressure. By manipulating the fluid flow you can change the pressure. So low pressure on top and high pressure on bottom. Multiply that by the surface area and you get a force. Smaller force on top of the wing, lower force on the bottom of the wing. So the wing goes up. Of course theres some physics going on in the fluid that explains the change in pressure, but this is just a quick and simply-put explanation because I took a fat amount of zquil and am tired.

                                    Source: Im getting a PhD in aerospace engineering

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                                    • K [email protected]
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                                      wrote on last edited by
                                      #78

                                      Stomach ulcers are caused by stress. Nope.

                                      Alcoholism runs in families. Nope.

                                      Heart disease runs in families. Nope.

                                      cactus_head@programming.devC 1 Reply Last reply
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                                      • I [email protected]

                                        Basic mathematical literacy is a prerequisite to being able to use a calculator.

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                                        wrote on last edited by
                                        #79

                                        Literacy, sure. Like I can see say a formula for a median, or how to plot a simple linear regression, but I cannot actually do that math myself on paper without fucking it up. The more steps the worse it gets. I might genuinely have dyscalculia or something idk.

                                        With a calculator though? No problem. Never any issues with doing budgeting or some basic statistics. If anything I'm kind of known as the math-sy one amongst my peers just because I know a bit more than an average person about statistics due to my interest in economics and politics, and a little bit about electricity from my hobby in electronics with breadboards and shit.

                                        Heck I remember writing a calculator app for my mobile app dev class in my compsci bsc and one time testing it while hunting for a weird bug, a result looked wrong, but as it turns out it was actually me that was wrong, and the result was right.

                                        In my cybersec MSc I got really fucked by them inexplicably making us do IP address calculations in binary, but then I can also count on my fingers in binary, and made a full adder circuit once.

                                        Tomorrow I'll be calculating memory offsets to practice buffer overflows, but I still don't even know most of the multiplication table, and subtracting or adding double digit numbers takes me a minute in my head.

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                                        • sonotsugipaa@lemmy.dbzer0.comS [email protected]

                                          Nope, went through "(6 × 5) + 6". Slightly slower, but much more flexible since you can do that with any (base 10 representation of a) number that has a reasonable number of digits.

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                                          wrote on last edited by
                                          #80

                                          What? How is multiplying by 5 more convenient than any other number?

                                          sonotsugipaa@lemmy.dbzer0.comS 1 Reply Last reply
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