The elephant is the only animal with 4 knees.

Bird droppings are the chief export of Nauru, an island nation in the Western Pacific.

It's impossible to sneeze with your eyes open.

5% of Canadians don't know the first 7 words of the Canadian anthem, but know the first 9 of the American anthem.

Some ribbon worms will eat themselves if they can't find any food.

Kotex was first manufactured as bandages, during WWI.

When opossums are playing 'possum, they are not "playing." They actually pass out from sheer terror.

Odontophobia is the fear of teeth.

A cow produces 200 times more gas a day than a person.

Sigmund Freud had a morbid fear of ferns.

The surface area of an average-sized brick is 79 cm squared.

The "save" icon on Microsoft Word shows a floppy disk, with the shutter on backwards.

Cats can produce over one hundred vocal sounds, while dogs can only produce about ten.

Barbie's measurements if she were life size: 39-23-33.

Stressed is Desserts spelled backwards.

In ancient Rome, it was considered a sign of leadership to be born with a crooked nose.

More Monopoly money is printed in a year, than real money printed throughout the world.

There are over 52.6 million dogs in the U.S.

Hang On Sloopy is the official rock song of Ohio.

Dueling is legal in Paraguay as long as both parties are registered blood donors.