25 School Teachings That Have Been Proven Wrong!

Knowledge evolves with new evidence, a key part of science. As our understanding grows, we revise what we know. School teachings may become outdated, as discussed in a popular thread on the r/ask online community. Check out users’ reflections on changed facts from their school days.

Animals don’t use tools.

That microwaves kill all the nutrients in food.

That the English language has comprehensive and consistent rules.

Pluto being a planet

You can’t carry a calculator all day!

Grade school in the US, mid 1970s: We will be converting to the metric system soon.

Basically any idea promoted by the D.A.R.E campaign

Blood is blue until it is oxidized

If you learn well, you`ll get a good job and will have a nice future. Total BS.

My teachers used to say “Video games will make you braindead.” Turns out video games were all about solving puzzles and problem solving and ended up increasing the cognitive abilities and critical thinking skills for children from a young age.

Nerves can’t regenerate and electron orbitals are circles. Basically, science keeps getting better and I had no idea these had changed for a long time.

That you have to do lots of extra curricular activities, sports, and volunteer work just to get into any colleg. Joke’s on them. I went to college 10 years after high school so none of it mattered.

1970’s elementary school – Global Cooling was in process. We would be out of oil by the end of the 80’s

Trickle down economics

Areas of taste on the human tongue

Gen X here. We’ll run out of oil by 2000.

Cracking your knuckles will cause arthritis, plus basically everything in history class.

The food pyramid

That your permanent record really does follow You for Life a bunch of Bologna

While I was in college biology our teacher said she was forced to teach us that cell walls were rigid because that’s what the text book said but, she told us, it was not true–the phospho-lipid cell wall had just been discovered. So we learned it wrong and corrected all at the same time.

Just about everything they taught about nutrition was a lie… which is kinda insane when you think about it. An entire generation who doesn’t know how food works in your body

Earth had 4 oceans. The 5th ocean plot twist was revealed to me in my late 30s. I didn’t know, guys!! Could someone please update Gen X when this stuff happens? There should at least be a weekly memo or something. We are all over here failing easy trivia questions because no one told us that there was a 5th damn ocean. ?

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