Group "brainstorming" makes each individual in the group less creative and doesn't work as efficiently as the same number of people working alone and then later pooling their ideas.
10
By raising your legs slowly and laying on your back, you can't sink in quicksand.
105
A pipe 2 feet in diameter will allow four times more fluid to pass through it than a pipe 1 foot in diameter.
20
The first household refrigerators cost about $16,000, in today's money!
47
More than 10% of the world's salt is used to de-ice American roads.
54
You can actually sharpen the blades on a pencil sharpener by wrapping your pencils in aluminum foil before inserting them.
209