American car horns beep in the tone of F.
66
Like fingerprints, everyone's tongue print is different.
250
It's impossible to sink in the Dead Sea without equipment!
72
The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
The world’s smallest book, “Teeny Ted from Turnip Town”, is 100×70 micrometers in size and requires a scanning electron microscope to read, as light beams are too large.
6
On average, the life span of an American dollar bill is eighteen months.
33
Each year, more than 50,000 people are injured by jewelry in the U.S.
29
The best diamonds are colored blue-white.
80