Mentally doing a task makes you better at it. Your mind can barely tell the difference.
18
Each day, more than $40 Trillion Dollars changes hands worldwide.
37
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
You can tape a small mirror onto a cone speaker, play music and shine a laser on to the mirror and the reflection will look like a laser light show on your wall.
102
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
The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19