A pipe 2 feet in diameter will allow four times more fluid to pass through it than a pipe 1 foot in diameter.
20
There are more than 10 million bricks in the Empire State Building!
75
The full moon causes a tidal wave to roll up the Amazon river once in day and once in night for a period of only three weeks in a year. This results in continuous 4m high wave that can be surfed for up to 13km.
14
Real diamonds do not show up on x-ray.
36
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
A Swiss man replaced his car's broken heater with a fully functional wood burning stove.
15
Anuptaphobia is the fear of staying single.
11
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