A pipe 2 feet in diameter will allow four times more fluid to pass through it than a pipe 1 foot in diameter.
20
Less than 3% of the water produced at a large municipal water treatment plant is used for drinking purposes!
24
The "Cobra Effect" is where a solution for a problem actually makes the problem worse.
21
There are 86,400 seconds in a day.
110

Mushrooms are more closely related to humans than they are to plants.
47
Your fingernails grow faster in summer.
744

