Dartboards are made out of horsehairs.
129
The face of a penny can hold about thirty drops of water.
85
Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
Each 5 m.p.h. you drive over 60 m.p.h. is like paying an additional $.10 a gallon for gas!
33
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
"Big Ben" in London isn't a tower, the bell inside the tower is called "Big Ben", the tower itself is called "The Elizabeth Tower".
18
There was once an undersea post office in the Bahamas.
241
In an average hour, there are over 61,000 Americans airborne over the United States.
24