this post was submitted on 26 Jun 2026
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[–] teyrnon@sh.itjust.works 84 points 3 days ago (10 children)

We were taught blood was blue in school, not just once, in at least two grades. Not in the book mind you, but from the teachers' mouths.

The 7th grade science book did teach us gamma rays move faster than the speed of light, which is bullshit.

[–] OfCourseNot@fedia.io 54 points 3 days ago (3 children)

Gamma rays do travel faster than light through some media, but obviously not faster than c, the speed of light in a vacuum.

[–] SpaceNoodle@lemmy.world 25 points 3 days ago (2 children)

Well yeah, the media was that one kid's 7th grade science book

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[–] HeyThisIsntTheYMCA@lemmy.world 17 points 3 days ago (5 children)

The worst misinformation we got was that after erections (which functionally are made via blood flow) boys pee out the blood. Like Jesus fuck lady, what is wrong with your husband.

[–] samus12345@lemmy.world 9 points 3 days ago

That's an odd one, since you'd think peeing or not peeing blood would be very easy to verify.

[–] M137@lemmy.today 7 points 2 days ago (1 children)

That's definitely not about her husband, it's about scare tactics. The reason behind using scare tactics can be many, like religion, suppressed sexuality, what she was taught or even just not wanting to deal with her students doing stuff. It's absolutely not ok to say that no matter the reason though.

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[–] ProdigiousInsanity@lemmus.org 15 points 3 days ago (3 children)

Came here to say the same thing, for years I was believing my blood was blue before it hit oxygen....

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[–] DupaCycki@lemmy.world 23 points 2 days ago (1 children)

Now you ask uncle Grok and carry his misinformation for 20 minutes, because your long-term memory doesn't exist anymore.

[–] Aeri@lemmy.world 1 points 9 hours ago

Sometimes I wonder if there's even anything I can do besides just read more I guess

[–] tired_n_bored@lemmy.world 11 points 2 days ago (1 children)

As if now people are knowledgeable...

[–] osanna@lemmy.vg 2 points 1 day ago

Yep. The world’s knowledge at your fingertips and we’re all “skibidiing”

[–] SaharaMaleikuhm@feddit.org 27 points 2 days ago (3 children)

That's right thanks to the internet misinformation is no more!

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[–] treadful@lemmy.zip 25 points 2 days ago (1 children)

Or, if you were lucky, you could look things up in your out of date encyclopedias.

[–] Samskara@sh.itjust.works 3 points 2 days ago

When I was a kid in the 1980/90s, we had two encyclopedias at home: a 20 tome encyclopedia from 1905, and a three volume current one. At some point we got Microsoft Encarta, a CD-ROM encyclopedia.

It was far more common for people to say they don't know something and refer to other's expertise.

[–] Murse@slrpnk.net 37 points 3 days ago (2 children)

We're still there, aunt Marge is just called Grok now.

I don't want to think that badly about aunt Marge. How about Gemini? Marge wasn't gropey

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[–] thespcicifcocean@lemmy.world 7 points 2 days ago

My ex thought that night time just meant that the moon went in front of the sun. I have no idea how she managed to live to 30 years old before she learned about night time.

[–] Malyca@lemmy.zip 22 points 2 days ago (6 children)

My dad told me thunder is when clouds collide

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[–] Fedizen@lemmy.world 16 points 2 days ago (1 children)

"Urine is sterile"

"You can only fold paper 7 times"

Etc.

[–] Evotech@lemmy.world 12 points 2 days ago (5 children)

The paper thing is is testable! It’s not wrong. «You» can’t do it

[–] Fedizen@lemmy.world 1 points 1 day ago

Did it yesterday

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[–] Whats_your_reasoning@lemmy.world 28 points 3 days ago (2 children)

I had an argument with a teacher in middle school who shared the crap of, “If you swallow gum, it stays in your stomach for 7 years.” The kids told me I must be wrong, because the teacher said it so he must be right.

I was so pissed that I came in the next day with three different sources saying that it was a myth. He quietly admitted the truth to me, but refused to tell the class.

I get being frustrated with kids chewing gum in class, but if you have to lie to get them to follow rules, that’s a failure as a teacher. He was a science teacher, no less. If anybody should be open to a student pulling up sources for a claim, or to admitting they learned something new and they were wrong before, it should be a science teacher.

Thanks, Mr H. Way to prove to me that even “cool” teachers care more about controlling kids than being truthful.

[–] Dasus@lemmy.world 10 points 2 days ago (1 children)

He quietly admitted the truth to me, but refused to tell the class.

98% of humanity, right there. Fuck I hate them.

[–] Whats_your_reasoning@lemmy.world 6 points 2 days ago* (last edited 2 days ago)

Yep, it was a lesson that cut deep. Which is why I won't let such stuff pass with my own students. One of my coworkers wanted to discourage a kid from using permanent markers and told him he'd give himself ink poisoning. The kid took it to heart and started saying he was allergic to tattoo ink. It was kind of funny at first, but he kept repeating it until it got concerning. I think he was starting to be scared of markers.

I just told him the truth - he's probably not going to get sick, but permanent markers are hard to clean off of things, including skin, and that some of his peers might use them on things they aren't supposed to. He's a smart kid who just wants to understand things and will think through stuff he doesn't understand until they make sense to him, even if it means imagining an allergy to something he sees other people use just fine. It breaks my heart to think that's not the last time some adult will tell him a myth, but hopefully his natural desire to make sense of things will continue to develop into a first-rate bullshit alarm someday.

To make kids look stupid in front of their peers by taking an authority figure at their word you just have to be willing to burn credibility.

[–] ParlimentOfDoom@piefed.zip 30 points 3 days ago (3 children)

Now an LLM has parsed Aunt Marge's Facebook posts into it's knowledge bank and regurgitates it to everyone searching online for an answer.

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My grandfather told me that grits were ground-up pig's knuckles. I was in my late 20s before I learned otherwise. Pop just didn't want to share his fucking grits, which is at least understandable.

[–] Alexstarfire@lemmy.world 28 points 3 days ago (1 children)

Nothing has really changed since then.

[–] BeUnique@lemmy.zip 33 points 3 days ago

Just where you get your misinformation.

[–] ShaggySnacks@lemmy.myserv.one 4 points 2 days ago

Now you can go online and double down on your misinformation.

[–] Lushed_Lungfish@lemmy.ca 10 points 2 days ago (1 children)

You could go to your local library. I still do.

[–] nek0d3r@midwest.social 6 points 2 days ago

You could, but that info was still there. Schools and educational material taught us that blood was blue, Columbus discovered America, and animals were hot or cold blooded.

[–] Bonus@sh.itjust.works 14 points 3 days ago (1 children)

We were led to believe we'd die if we ate a single apple seed until about 1995, when I observed my FIL eat an entire apple, core, seeds, and all, which obviously blew my mind.

[–] Doomsider@lemmy.world 8 points 2 days ago (3 children)

They will kill you, but you need to chew up a couple hundred.

[–] Abyssian@lemmy.world 7 points 2 days ago

Thank God, a way out of this madness.

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[–] Prior_Industry@lemmy.world 13 points 3 days ago

Now someone’s aunt marge in another country does it.

[–] CarbonIceDragon@pawb.social 14 points 3 days ago (2 children)

Tbf, some blood is blue, it just tends to be a few types of invertebrates that have that blood.

[–] TubularTittyFrog@lemmy.world 14 points 3 days ago* (last edited 3 days ago)

next thing you'll be telling me that some animals can change their sex.

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[–] CompactFlax@discuss.tchncs.de 16 points 3 days ago (1 children)

And with AI and anti-science grifters, we’re back to that world!

[–] village604@adultswim.fan 16 points 3 days ago

We never really left

[–] Mucki@feddit.org 10 points 3 days ago (1 children)

"So nothing really changed, except you don't ask your aunt anything anymore. You still talking to her?"

[–] rumba@lemmy.zip 8 points 2 days ago
[–] trublu@lemmy.dbzer0.com 3 points 2 days ago (1 children)

"The eyeball is full of blackberry jam."

~ My grandfather, unironically, not remotely joking, actually completely serious.

[–] Corkyskog@sh.itjust.works 1 points 1 day ago

Did anyone actually help him out with that? Sounds like something that could lead to long term damage...

[–] Mulligrubs@lemmy.world 9 points 3 days ago* (last edited 3 days ago)

I was taught that the white race was superior and that there was going to be a huge race war (one side of the family) and then Jesus was going to come back and murder everybody (other side).

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