Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
Author J K Rowling wrote the final chapter of the last Harry Potter book in "something like 1990", seven years before the release of the first book.
7
By raising your legs slowly and laying on your back, you can't sink in quicksand.
105
Most of the dust underneath your bed is actually your own dead skin.
251
An ounce of platinum can be stretched 10,000 feet.
40
An Australian study found that homework is of little to no academic value to students in elementary and junior high schools.
32
There are 53 Lego bricks manufactured for each person in the world.
83
The Main Library at Indiana University sinks over an inch every year because when it was built, engineers failed to take into account the weight of all the books that would occupy the building.
240