'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
Ice isn't slippery. What makes people and things slip on ice is water. A thin layer of ice melts when pressure is applied to it and it is this wet layer on top of the ice that is slippery.
153
More than 10% of the world's salt is used to de-ice American roads.
54
There was once an undersea post office in the Bahamas.
241
The 'L.L.' in L.L. Bean stands for 'Leon Leonwood'.
30
The majority of suicides occur on a Monday.
393
Babies are born without knee caps.
78
A portion of the water you drink has already been drunk by someone else, maybe several times over.
170