Diamonds mined in Brazil are harder than those found in Africa.
40
Like fingerprints, everyone's tongue print is different.
250
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
Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13
The streets of Victor, Colorado, once a gold rush town, are paved with low-grade gold.
78
On average, the life span of an American dollar bill is eighteen months.
33
Marlboro cigarettes sold in New York contain more tar and nicotine than those sold in all other states!
12