30 years ago, you could buy a lifetime, unlimited first-class travel pass with American Airlines for $250,000.
14
It takes about 63,000 trees to make the newsprint for the average Sunday edition of The New York Times.
-11
Diamonds mined in Brazil are harder than those found in Africa.
40
The small pocket in the larger pocket of your jeans was designed for pocket watches.
11
Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
Tsunamis ( tidal waves ) travel as fast as jet planes.
97
