On average, the life span of an American dollar bill is eighteen months.
33
The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
244
'Second Street' is the most common street name in the U.S.; 'First Street' is the sixth! "
41
A typical lead pencil can draw a line that is 35 miles long.
158
More than 10% of the world's salt is used to de-ice American roads.
54
When glass breaks, the cracks move at speeds of up to 3,000 miles per hour.
423
Pollen can travel up to 500 miles in a day.
40
There are over 16,251 full-service restaurants in the vicinity of NYC. You could visit one every day for 40 years and still not have visited them all. This excludes counter service restaurants and cafeterias.
5