1. A crocodile cannot stick its tongue out.

2. A pig's orgasm lasts for 30 minutes.

3. A snail can sleep for three years.

4. All polar bears are left handed.

5. American Airlines saved $40,000 in 1987 by eliminating one olive from each salad served in first-class.

6. Americans on average eat 18 acres of pizza every day.

7. An ostrich's eye is bigger than its brain.

8. Babies are born without knee caps. They don't appear until the child reaches 2 to 6 years of age.

9. Butterflies taste with their feet

10. Cats have over one hundred vocal sounds, dogs only have about 10.

11. Cats urine glows under a black light.

12. China have more English speakers than the United States.

13. Donald Duck comics were banned in Finland because he doesn't wear any pants.

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

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

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

17. "I am."_ is the shortest complete sentence in the English language.

18. 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.

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

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

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