Oak trees can live 200 or more years.
61
Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
Coins usually survive in circulation for about 30 years.
66
If you flip a coin ten times, the odds against its coming up with the same side showing each time are 1,023 to 1.
39
The hands of the clock on the back of the $100 bill are set at approximately 4:10.
72
People who drink coffee are less likely to commit suicide than people who don't.
268
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
Over its lifetime, the average microwave requires more energy to display a digital clock than to heat food.
10