Less than 3% of the water produced at a large municipal water treatment plant is used for drinking purposes!
24
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
A quarter has 119 grooves on its edge, a dime has one less groove!
34
No piece of square dry paper can be folded more than 7 times in half!
26
In an average hour, there are over 61,000 Americans airborne over the United States.
24
The roar that we hear when we place a seashell next to our ear is not the ocean, but rather the sound of blood surging through the veins in the ear.
476
More than 10% of the world's salt is used to de-ice American roads.
54