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.

The Empire State Building weighs 727,525,465 pounds.

A 747 has 6 million parts.

At pH 2.5, Coca-Cola’s acidity is midway between vinegar and gastric acid.

At $950 per troy ounce, a B-2 bomber costs more than twice its weight in gold.