1. The US interstate highway system requires that one mile in every five be straight. These straight sections function as airstrips in times of war and other emergencies.
  2. The Boston University Bridge is the only place in the world where a boat can sail under a train driving under a car driving under an airplane.
  3. Cats have over one hundred vocal sounds, while dogs have only about ten.
  4. Our eyes are always the same size from birth, but our nose and ears never stop growing.
  5. In every episode of Seinfeld, there is a superman somewhere.
  6. February 1965 is the only month in recorded history not to have a full moon.
  7. The cruise liner, Queen Elisabeth II, moves only six inches for every gallon of diesel fuel that it burns.
  8. Isaac Asimov is the only author to have a book published in every major Dewey Decimal category.
  9. Columbia University is the second largest land owner in New York City, after the Catholic Church.
  10. Cat urine glows under a black light.