Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
The search engine Google got its name from the word 'googol', which refers to the number one with a hundred zeros after it.
56
According to the New York Times, a study conducted during the 1980's found that men who kiss their wives before leaving for work live longer, get into fewer car accidents, and have a higher income than married men who don't.
14
The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
244
If you chew gum when you study a subject and then chew the same flavor when you take the test, it will help you remember!
34
The number of births that occur in India each year is higher than the entire population of Australia.
66
An iceberg contains more heat than a lit match.
73
The small pocket in the larger pocket of your jeans was designed for pocket watches.
11
