'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
No one knows Albert Einstein's last words. Just before he passed, he spoke several words in German, but his nurse only knew English.
154
When glass breaks, the cracks move faster than 3,000 miles per hour.
47
A fire in Australia has been burning for more than 5,000 years!
91
If you flip a coin ten times, the odds against its coming up with the same side showing each time are 1,023 to 1.
39
You are more likely to be killed by a champagne cork than a poisonous spider!
193
There are more than 10 million bricks in the Empire State Building!
75