Average life of U.S. currency before it’s replaced due to wear:

• $100 bill – 60 months
• $50 bill – 55 months
• $20 bill – 25 months
• $10 bill – 18 months
• $5 bill – 24 months
• $1 bill – 22 months

“A French statistician has just ascertained that a human being of either sex who is a moderate eater and who lives to be 70 years old consumes during his life a quantity of food which would fill twenty ordinary railway baggage cars. A good eater, however, may require as many as thirty.”

— Barkham Burroughs’ Encyclopaedia of Astounding Facts and Useful Information, 1889

The heaviest newspaper ever printed was the New York Times of Sunday, Sept. 14, 1987.

At 1,612 pages, it weighed more than 12 pounds.

Leprosy is the oldest recorded disease — it was reported as early as 1350 B.C. in Egypt.

According to an ancient legend, as long as there are ravens at the Tower of London, England is safe from invasion.

Currently eight ravens are fed there at government expense: Gwylum, Thor, Hugine, Munin, Branwen, Bran, Gundulf, and Baldrick.

They clip their flight feathers. Is that cheating?

Most adult cats are lactose-intolerant.

The arctic tern sees more daylight than any other creature on the planet — it migrates from pole to pole, 12,000 miles.

In its lifetime, that’s equivalent to flying to the moon and back.

The king of hearts has no mustache — he lost it when the original design was copied badly, and the error has persisted.