Oak trees can live 200 or more years.
61
At 90 degrees below zero, your breath will freeze in mid-air and fall to the ground.
25
There are 635,013,559,599 possible hands in a game of bridge.
39
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
It's impossible to kill yourself by holding your breath.
22
Play-Doh was first manufactured as a wallpaper cleaner.
122
The odds of being killed by falling out of bed are one in two million.
136