The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
Since 1982, a radio frequency emanating from Russia has been broadcasting a buzzer-like sound and, periodically, an unknown voice reads orders, names, and numbers. No one knows where exactly it is coming from or what it means.
13
Seaweed can grow up to 12 inches per day!
59
The WD in WD-40 stands for Water Displacer.
30
The Pittsburgh Steelers were originally called the Pirates.
50
A portion of the water you drink has already been drunk by someone else, maybe several times over.
170
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

