If you had 10 billion $1 notes and spent one every second of every day, it would require 317 years for you to go broke.
109
Dartboards are made out of horsehairs.
129
Author J K Rowling wrote the final chapter of the last Harry Potter book in "something like 1990", seven years before the release of the first book.
7
American car horns beep in the tone of F.
66
There are 2,500,000 rivets in the Eiffel Tower.
98
Coins usually survive in circulation for about 30 years.
66
During his or her lifetime, the average human will grow 590 miles of hair.
69