American car horns beep in the tone of F.
66
The yin-yang pattern's earliest use is in Rome - not China!
125
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
More than 50% of Americans fall asleep on their sides.
86
The glue on Israeli stamps is certified kosher.
67
Dartboards are made out of horsehairs.
129
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
30
The mile is Latin for 1,000. The number of paces it took the average Roman!
36