- When Joseph Gayetty invented toilet paper in 1857, he had his name printed on each sheet.
- There are 293 ways to make change for a dollar.
- At 90 degrees below zero, exhaled breath freezes in midair and falls to the ground.
- Credit Fritz Lang for the familiar countdown, "three, two, one, liftoff." The phrase appeared in his 1929 film, "Die Frair im Mond" (The Woman in the Moon).
- Most people take an average of seven minutes to fall asleep.
- A cat's normal body temperature is 101.5 degrees; a dog's, 101.
- Reykjavik, Iceland, is warmer than Chicago in the winter.
- Basketball great Wilt Chamberlain, 7 feet 1 inch tall, was the son of 5-foot-8-inch parents.
- An ostrich's intestinal tract is up to 45 feet long.
- The dot over the letter "i" is called a "tittle."
- "Mafia" is an acronym for Morte alla Francia Italia anela - "Death to the French is Italy's cry."
- An average pair of feet will sweat about one-half of a pint of perspiration a day.
- Robert E. Lee's shoe size was only 4 1/2.
- Ancient Egyptians shaved off their eyebrows to mourn the death of their cats.
- A female African elephant can be pregnant for almost two years.
- "Jack" is the most often-recurring name in nursery rhymes.
- The world's biggest clams weigh almost 500 pounds.
- Droplets of moisture from a sneeze can travel as far as 12 feet and as fast as 100 miles per hour.
- The capacity of the average adult's stomach is about two quarts.
- Giraffes can't swim.
- The real name of television's Mr. Ed was Bamboo Harvester.