Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
The small pocket in the larger pocket of your jeans was designed for pocket watches.
11
A quarter has 119 grooves on its edge, a dime has one less groove!
34
An Australian study found that homework is of little to no academic value to students in elementary and junior high schools.
32
You can tape a small mirror onto a cone speaker, play music and shine a laser on to the mirror and the reflection will look like a laser light show on your wall.
102
Like fingerprints, everyone's tongue print is different.
250
There are 635,013,559,599 possible hands in a game of bridge.
39
Wearing red increases attraction.
30