Isaac Asimov is the only author to have a book in every Dewey-decimal category.
90
Condoms were originally made of animal intestines or linen.
347
People who ride on roller coasters have a higher chance of having a blood clot in the brain.
121
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
-12
In 2007, a woman named Erika La Tour Eiffel married the Eiffel Tower.
13
An 'aglet' is the plastic or metal tip of a shoelace.
186
The opposite sides of a dice cube always add up to seven.
390
Nike Air Soles do not actually have 'air' in them.
103