16. Dueling is legal in Paraguay as long as both parties are registered blood donors.

17. Elephants are the only animals that can't jump.

18. Every time you lick a stamp, you're consuming 1/10 of a calorie.

19. February 1865 is the only month in recorded history not to have a full moon.

20. Humans and dolphins are the only species that have sex for pleasure.

21. I am. is the shortest complete sentence in the English language

22. If Barbie were life-size, her measurements would be 39-23-33. She would stand seven feet, two inches tall and have a neck twice the length of a normal human's neck.

23. If the population of China walked past you in single file, the line would never end because of the rate of reproduction.

24. If you fart consistently for 6 years and 9 months, enough gas is produced to create the energy of an atomic bomb.

25. If you keep a goldfish in a dark room, it will eventually turn white.

26. If you yelled for 8 years, 7 months and 6 days, you would have produced enough sound energy to heat one cup of coffee.

27. In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.

28. In the last 4000 years, no new animals have been domesticated.

29. It's impossible to sneeze with your eyes open.

30. Leonardo Da Vinci invented the scissors.