You probably knew this...

I came across this list of interesting Things You Probably Already Know, But Have Forgotten. See if you knew some of these things already:

1. Money isn't made out of paper, it's made out of cotton.
2. The Declaration of Independence was written on hemp paper.
3. The dot over the letter i is called a "tittle."
4. A raisin dropped in a glass of fresh champagne will bounce up and down continuously from the bottom of the glass to the top.
5. 40% of McDonald's profits come from the sales of Happy Meals.
6. The 'spot' on 7UP comes from its inventor, who had red eyes. He was albino.
7. Warren Beatty and Shirley MacLaine are brother and sister.
8. Chocolate affects a dog's heart and nervous system; a few ounces will kill a small sized dog.
9. Orcas (killer whales) kill sharks by torpedoing up into the shark's stomach from underneath, causing the shark to explode.
10. Most lipstick contains fish scales.
11. Donald Duck comics were banned from Finland because he doesn't wear pants.
12. Ketchup was sold in the 1830s as medicine.
13. Upper and lower case letters are named 'upper' and 'lower' because in the time when all original print had to be set in individual letters, the 'upper case' letters were stored in the case on top of the case that stored the smaller, 'lower case' letters.
14. Leonardo da Vinci could write with one hand and draw with the other at the same time.
15. There are no clocks in Las Vegas gambling casinos.
16. Leonardo Da Vinci invented scissors. Also, it took him 10 years to paint Mona Lisa's lips.
17. A tiny amount of liquor on a scorpion will make it instantly go mad and sting itself to death.
18. The phrase "rule of thumb" is derived from an old English law, which stated that you couldn't beat your wife with anything wider than your thumb (sign of a truly civilized society.)
19. The first product Motorola started to develop was a record player for automobiles. At that time, the most known player on the market was the Victrola, so they called themselves Motorola.
20. Chewing gum while peeling onions will keep you from crying!
21. The glue on Israeli postage stamps is certified kosher.
22. Guinness Book of Records holds the record for being the book most often stolen from Public Libraries.

Source: See http://www.amigamccc.org/journal/0711fact.htm for the complete list