30+ Outdated ‘Facts’ Once Taught In School That No Longer Hold Up

Ah, remember the good old days when Pluto was a planet and gum was believed to take seven years to digest if you swallowed it? Reddit users recently took a trip down memory lane, reminiscing about the “facts” they were taught in school that have since been proven false.

In a lively thread, former students shared their amusing and sometimes shocking revelations, debunking those classroom myths that many of us took as gospel. From outdated scientific beliefs to historical inaccuracies, it seems that our teachers might have had a few things to learn themselves.

What’s a fact that was taught in school that’s been disproven in your lifetime?

— u/authorized_join31


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Nate

Nate Armbruster

When he's not doomscrolling Twitter or writing for Pleated-Jeans, Nate Armbruster writes jokes—and then tells them on stage as a stand-up comedian, where he can watch audiences (hopefully) laugh in real-time.