More than 10% of the world's salt is used to de-ice American roads.
54
On average, every dollar bill you touch has over 3,000 different types of bacteria.
8
Mentally doing a task makes you better at it. Your mind can barely tell the difference.
18
An underwater forest off the coast of Alabama that is 50,000 years old was uncovered by Hurricane Katrina.
16
Cash machines are as dirty as public toilets.
174
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
A quarter has 119 grooves on its edge, a dime has one less groove!
34
It is impossible to hum if your nose is plugged.
366