The harder you concentrate on falling asleep, the less likely you are to fall asleep.
34
Japanese engineers were asked to redesign the front end of the Bullet Train because it carried enough speed to create a sonic boom whenever it exited a tunnel. Residents could feel the blast from miles away.
11
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
No piece of square dry paper can be folded more than 7 times in half!
26
Paper money is not made from wood pulp but from cotton. This means that it will not disintegrate as fast if it is put in the laundry.
37
You can start a fire with ice.
367
The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
244
People spend about two weeks of their lives at traffic lights!
159