Here are some pretty interesting facts I found searching a few sites.

1. The longest one-syllable word in the English language is "screeched."
(I would have never of guessed)

2. "Dreamt" is the only English word that ends in the letters "mt".

3. Almonds are members of the peach family.

4. The symbol on the "pound" key (#) is called an octothorpe.

5. The dot over the letter 'i' is called a tittle.

6. Ingrown toenails are hereditary.
(Ooooooooohhh....)

7. The word "set" has more definitions than any other word in the English language.

8. "Underground" is the only word in the English language that begins and ends with the letters "und."

9. There are only four words in the English language which end in "-dous": tremendous, horrendous, stupendous, and hazardous.

10. The longest word in the English language, according to the Oxford English Dictionary, is pneumonoultramicroscopicsilicovolcanoconiosis.
(Try saying that 5 times fast...try saying it at all)

11. The only other word with the same amount of letters is its plural: pneumonoultramicroscopicsilicovolcanoconiosesl.
(That's even harder to say than the first word)

12. The longest place-name still in use is Taumatawhakatangihangakoauauotamateaturipukakapikimaungahoronukupokaiwe-nuakit natahu, a New Zealand hill.
(Seriously...who the hell came up with that name?)

13. Los Angeles's full name is "El Pueblo de Nuestra Senora la Reinade los Angeles de Porciuncula" and can be abbreviated to 3.63% of its size,L.A.

14. An ostrich's eye is bigger than its brain.
(I think we're related)

15. Tigers have striped skin, not just striped fur.

16. Alfred Hitchcock didn't have a belly button. It was eliminated when he was sewn up after surgery.

17. Telly Savalas and Louis Armstrong died on their birthdays.

18. Donald Duck's middle name is Fauntleroy.

19. The muzzle of a lion is like a fingerprint - no two lions have the same pattern of whiskers.

21. A pregnant goldfish is called a twit.

23. There is a seven-letter word in the English language that contains ten words without rearranging any of its letters, "therein": the,there, he, in, rein, her, here, ere, therein, herein.

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

26. A goldfish has a memory span of three seconds.
(I'm related to the Ostrich and the Goldfish?!)

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

28. Cranberries are sorted for ripeness by bouncing them; a fully ripened cranberry can be dribbled like a basketball.

30. The letters KGB stand for Komitet Gosudarstvennoy Bezopasnosti.
(No way...)

31. 'Stewardesses' is the longest English word that is typed with only the left hand.

33. The combination "ough" can be pronounced in nine different ways; the following sentence contains them all: "A rough-coated, dough-faced, thoughtful ploughman strode through the streets of Scarborough; after falling into a slough, he coughed and hiccoughed."

34. The only 15 letter word that can be spelled without repeating a letter is uncopyrightable.

35. Facetious and abstemious contain all the vowels in the correct order, as does arsenious, meaning "containing arsenic."

36. Emus and kangaroos cannot walk backwards, and are on the Australian seal for that reason.

37. Cats have over one hundred vocal sounds, while dogs only have about ten.

38. The word "Checkmate" in chess comes from the Persian phrase "Shah Mat," which means "the king is dead."

39. The reason firehouses have circular stairways is from the days of yore when the engines were pulled by horses. The horses were stabled on the ground floor and figured out how to walk up straight staircases.

40. If you yelled for 8 years,7 months and 6 days you would have produced enough sound energy to heat one cup of coffee.
(Wouldn't want to do that for a living...)

41. If you farted consistently for 6 years and 9 months, enough gas is produced to create the energy of an atomic bomb.
(I've found a new hoby)

42. The human heart creates enough pressure when it pumps out to the
body to squirt blood 30 feet.

43. A pig's orgasm lasts 30 minutes.
(I envy the pig..)

44. A cockroach will live nine days without its head before it starves to death.
(Wish I could do that)

45. Banging your head against a wall uses 150 calories an hour.
(I never realized how much excersize I was getting each day)

46. The male praying mantis cannot copulate while its head is attached to its body. The female initiates sex by ripping the male's head off.
(If I was a praying mantis...sex wouldn't be something I'd look forward to)

47. The flea can jump 350 times its body length. It's like a human jumping the length of a football field.

48. The catfish has over 27,000 taste buds.
(And all it eats is crap...)

49. Some lions mate over 50 times a day.
(I still envy the pig...quality over quantity )

50. Butterflies taste with their feet.
(Gross)

51. The strongest muscle in the body is the tongue.
(You don't say.)

52. Right-handed people live, on average, nine years longer than left-handed people do.
(*Points and laughs at left-handed people*)

53. Elephants are the only animal that cannot jump.
(That's probably a good thing...)

54. A cat's urine glows under a blacklight.
(Who found this out?)

55. Starfish have no brains.
(I'm related to WAY too many animals...)

56. Polar bears are left-handed.
(...and?)

57. Humans and dolphins are the only species that have sex for pleasure.
(Dolphins are more like us than I thought)

58. It's impossible to hum if you plug your nose.

Check out Interesting Facts Part 2. As well as Other Facts and Fact Corrections.