'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
255
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 hole in the soda can tab is actually used to hold a straw in place and stop it from rising.
27
It's impossible to kill yourself by holding your breath.
22
The glue on Israeli stamps is certified kosher.
67
Wearing red increases attraction.
30
A million dollars' worth of $100 bills weighs only 22 pounds!
32