Dartboards are made out of horsehairs.
129
The human eye blinks an average of 4,200,000 times a year.
233
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
Déjà vu occurs when your brain tries to apply a memory of a past situation to your current one, fails, and makes you feel like it's happened.
12
It is estimated that millions of trees in the world are accidentally planted by squirrels who bury nuts and then forget where they hid them!
174
You can immediately cool down a car that has been sitting under the sun by rolling down the window on one side and opening-closing the door on the other side 5-6 times.
23
On average, the life span of an American dollar bill is eighteen months.
33
You can actually sharpen the blades on a pencil sharpener by wrapping your pencils in aluminum foil before inserting them.
209