Play-Doh was first manufactured as a wallpaper cleaner.
122
No matter its size or thickness, no piece of paper can be folded in half more than 8 times.
-64
Sudbury Valley School allows students to do whatever they want; no curriculum, tests, homework, or even classes unless requested. 82% of students get accepted to college, as opposed to the 63% national public school average.
21
Most lipstick contains fish scales!
46
When glass breaks, the cracks move at speeds of up to 3,000 miles per hour.
423
Like fingerprints, everyone's tongue print is different.
250
The symbol on the 'pound' key (#) is called an octothorpe.
82