Kleenex tissues were originally used as filters in gas masks.
46
The ball on top of a flagpole is called a 'truck'.
24
More than a billion transistors are manufactured every second.
-25
Attics were invented in Attica.
43
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
The average car produces a pound of pollution every 25 miles!
18