• The little bags of netting for gas lanterns (mantles) are radioactive--so much so that they will set off an alarm at a nuclear reactor.
• The actual Dr. Seuss (Theodore Geisel) pronounced "Seuss" so that it rhymed with "rejoice."
• Donald Duck's middle name is Fauntleroy.
• Mel Blanc (the voice of Bugs Bunny) was allergic to carrots.
• The term "the whole 9 yards" came from WWII fighter pilots in the South Pacific. When arming their airplanes on the ground, the .50 caliber machine gun ammo belts measured exactly 27 feet, before being loaded into the fuselage. If the pilots fired all their ammo at a target, it got "the whole 9 yards."
• If a statue in the park of a person on a horse has both front legs in the air, the person died in battle; if the horse has one front leg in the air, the person died as a result of wounds received in battle; if the horse has all four legs on the ground, the person died of natural causes.
• The sentence "The quick brown fox jumps over the lazy dog." uses every letter in the alphabet. (Developed by Western Union to test telex/twx communications)
• A duck's quack doesn't echo, and no one knows why.
• The Main Library at Indiana University sinks over an inch every year because when it was built, engineers failed to take into account the weight of all the books that would occupy the building.
• Each king in a deck of playing cards represents a great king from history.
  Spades - King David;
  Clubs - Alexander the Great;
  Hearts - Charlemagne;
  Diamonds - Julius Caesar.

Source: Atlanta Daybook