Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
Any domino can knock over another object up to 1.5x its size. The 32nd object would be big enough to knock over the Empire State Building.
18
In Monopoly, the character locked behind the bars is called Jake the Jailbird. Officer Edgar Mallory sent him to jail.
65
If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
31
The Band-Aid was originally made for the inventor's wife, who often cut and burned herself while cooking.
6
Tsunamis ( tidal waves ) travel as fast as jet planes.
97
On average, every dollar bill you touch has over 3,000 different types of bacteria.
8
Stilts were invented by French shepherds who needed a way to get around in wet marshes.
45