Illustration by H. Arthur

· The caterpillar has more than 2,000 muscles.

· A "clue" originally meant a ball of thread. This is why one is said to "unravel the mystery."

· The ampersand (&) was once a letter of the English alphabet.

· What is called a "French kiss" in England and America is known as an "English kiss" in France.

· In medieval Japan, a woman who was caught alone in a room with a man other than her husband was immediately put to death, no matter how innocent the meeting may have been.

· One-fourth of the world's population lives on less than $200 a year. Ninety million people live on less than $75 a year.

· Robert Todd Lincoln, son of Abraham Lincoln, was present at three presidential assassinations: his father's, President Garfield's, and President McKinley's. After the third, he refused to attend state affairs again.

· Otophobia is the fear of opening your eyes.

· Cleopatra tested the efficacy of her poisons by giving them to slaves.

· A robin has over 3,000 feathers.

· Since its completion in 1937, more than 600 people have committed suicide by jumping off the Golden Gate Bridge, in San Francisco.

· Polyorchidism is the presence of more than two testicles.