When glass breaks, the cracks move faster than 3,000 miles per hour.
47
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
Tsunamis ( tidal waves ) travel as fast as jet planes.
97
A sneeze travels out your mouth at over 100 m.p.h.!
29
The glue on Israeli stamps is certified kosher.
67
The best diamonds are colored blue-white.
80
The human eye blinks an average of 4,200,000 times a year.
233