Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
The majority of suicides occur on a Monday.
393
The yin-yang pattern's earliest use is in Rome - not China!
125
A jiffy is an actual unit of time for 1/100th of a second. Thus the saying, I will be there in a jiffy.
57
Japanese engineers were asked to redesign the front end of the Bullet Train because it carried enough speed to create a sonic boom whenever it exited a tunnel. Residents could feel the blast from miles away.
11
The best diamonds are colored blue-white.
80
There are more than 10 million bricks in the Empire State Building!
75