More than 10% of the world's salt is used to de-ice American roads.
54
Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13
The first household refrigerators cost about $16,000, in today's money!
47
Tae Kwon Do is only around 60 years old.
64
Daydreamers are better at solving complex problems.
28
The majority of suicides occur on a Monday.
393
On average, the life span of an American dollar bill is eighteen months.
33
During his or her lifetime, the average human will grow 590 miles of hair.
69