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
The Main Library at Indiana University sinks over an inch every year because when it was built, engineers failed to take into account the weight of all the books that would occupy the building.
240
In 1997, a survey reported that 12% of Americans think that Joan of Arc was Noah's wife.
48
The hands of the clock on the back of the $100 bill are set at approximately 4:10.
72
Only humans shed emotional tears.
331
There are 293 ways to make change for a dollar.
148
In a year approximately 900 million trees are cut down to make the raw materials needed for American pulp mills and paper.
-16
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29