'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
The Statue of Liberty is made out of copper. When originally built, it looked like a shiny new penny!
10
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
There is one slot machine in Las Vegas for every eight inhabitants.
58
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
More than 6,000 people with pillow-related injuries check into U.S. emergency rooms every year!
51
You can start a fire with ice.
367
By raising your legs slowly and laying on your back, you can't sink in quicksand.
105