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Outdated facts you learned in school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 oxygen coming from trees to “there are only four tastes”—and see what we know now.
- Most of the oxygen we breathe comes from trees
Science
- There are only 4 taste sensations (sweet, sour, salty, bitter)
Science
- Daddy Longlegs are the most venomous spiders but can't bite humans
Science
- The hymen is a completely closed membrane broken by first intercourse
Health
- Human genome has 100,000+ genes
Science
- Learning styles (visual, auditory, kinesthetic) determine how you best learn
Education
Browse by subject
Myths by classroom topic
Prefer science, health, or history over a graduation year? Jump straight into a subject hub.
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
Pick your graduation year
Tell us when you finished high school.
- 2
See the myths you learned
Discover outdated "facts" from your era.
- 3
Learn what's actually true
Get the updated, scientifically accurate information.