Illustration by H. Arthur

Things you've always never wanted to know

· On average, 61,000 people are airborne over the U.S. at any given moment.

· Intelligent people are said to have more zinc and copper in their hair.

· The world's youngest parents were eight and nine years old and lived in China at the beginning of the 20th century.

· The youngest pope was 11 years old.

· "Tom Sawyer" was the first novel written on a typewriter.

· The San Francisco Cable Cars are the only mobile national monuments.

· Each king in a deck of playing cards represents a king from history:
Spades ÷ King David
Hearts ÷ Charlemagne
Clubs ÷ Alexander the Great
Diamonds ÷ Julius Caesar

· The only two days of the year on which there are no professional sporting events (MLB, NBA, NHL, or NFL) are the day before and the day after the Major League Baseball All-Star Game.

· In Shakespeare's time, mattresses were secured on bed frames by ropes. When one pulled on the ropes the mattress tightened, making the bed firmer ÷ hence the phrase "goodnight, sleep tight."

· There are more conceptions in December than any other month.

· The TV show "60 Minutes" is the only show without a theme song.