'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
A new baby usually deprives each of it's parents around 350-400 hours of sleep in the first year. That is one entire nights sleep per week, per parent.
194
Wearing yellow makes you look bigger on camera; green, smaller.
222
There is one slot machine in Las Vegas for every eight inhabitants.
58
Kilts are not native to Scotland. They originated in France.
57
Less than 3% of the water produced at a large municipal water treatment plant is used for drinking purposes!
24
You can start a fire with ice.
367
The oldest living person smoked cigarettes from the age of 21 to 117.
13