Some facts have an expiration date

You were lied to in school.

It probably wasn't on purpose. Enter your graduation year and we'll show you what "facts" have been debunked since you tossed that cap in the air.

Popular myths

Outdated facts you learned in school

Science moves on. Browse disproven school facts—from blue blood in veins to “humans have five senses”—and see what we know now.

Knowledge evolves.That's the point.

From "Pluto is a planet" to taste zones on your tongue — science moves on. So should we.

How it works

  1. 1

    Pick your graduation year

    Tell us when you finished high school.

  2. 2

    See the myths you learned

    Discover outdated "facts" from your era.

  3. 3

    Learn what's actually true

    Get the updated, scientifically accurate information.

Browse all myths

Built with curiosity about how knowledge evolves

Data compiled from scientific literature and educational research