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And yet, many of these will be repeated by middle and high school teachers for many years to come... which isn't necessarily a bad thing, as in some cases, it might inadvertently steer some kids to the study of science without really being harmful.
As I clicked on your link, I noticed this one:
Despite popularizing the phrase "drinking the Kool-Aid", Kool-Aid was not used for the potassium cyanide-fruit punch mix ingested as part of the Jonestown massacre. A similar product, Flavor-Aid, was used.
I knew about the Jonestown massacre, yet didn't realize it wasn't actual Kool-Aid.