Play-Doh was first manufactured as a wallpaper cleaner.
122
Ice isn't slippery. What makes people and things slip on ice is water. A thin layer of ice melts when pressure is applied to it and it is this wet layer on top of the ice that is slippery.
153
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
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
A million dollars weighs about a metric ton. Hence the expression "a ton of money."
66
The name Joshua is Hebrew for 'Jesus'.
74
Water is actually naturally blue.
48
The most expensive license plate is the number '1', bought by an Abu Dhabi businessman - costing a staggering $14.3 million!
3