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Sandy Wood
Brain Game: Our Usual Punctuation Mark
by Sandy Wood - December 4, 2008 - 7:30 AM

SOLUTION:

INTESTINES.

The human body has a large intestine and a small intestine.

The word “INTESTINES” is 10 letters long. It’s made of five unique letters: E, I, N, S and T, each of which occur twice in the word.

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Comments (12)

  1. YES! I love feeling smart first thing in the morning =)

    posted by Bri on 12-4-2008 at 7:50 am

  2. And here I went for “pupil” because we have two eyes and you might have been making an old joke.

    posted by Mike Jackson on 12-4-2008 at 9:27 am

  3. “boobs” works too.

    posted by Amanda on 12-4-2008 at 9:51 am

  4. They certainly work for me, Amanda. :X

    posted by Sandy on 12-4-2008 at 10:49 am

  5. Wow! That was a good one. I didn’t get the solution, but when I saw it, I loved it. Awesome. This one’s getting shared on Google Reader.

    posted by Jonathan on 12-4-2008 at 11:24 am

  6. I went for “joint.”

    posted by Heather on 12-4-2008 at 12:21 pm

  7. I went with teeth, thinking you have relatively large and small teeth, the word is five letters long, and with losing baby teeth as adult teeth come in, you double the number you have.

    posted by Matt on 12-4-2008 at 12:32 pm

  8. I thought the clue in the title might give it away too… “our usual punctuation mark” in the title of our Brain Games is the colon. :)

    Good thing I didn’t go with my first choice, which was “Ailimentary, My Dear Watson…”

    posted by Sandy on 12-4-2008 at 12:56 pm

  9. I went for lungs. You have 2 and as you inhale and exhale they get bigger and smaller.

    But I guess they may not actually double in size, does anyone know the proportional difference between deflated and inflated lungs?

    PS, Matt I like your logic.

    posted by NateJ on 12-4-2008 at 1:14 pm

  10. Surprised at how quickly I got it, and impressed with the sheer genius at coming up with the riddle in the first place.

    posted by Dinosaur on 12-4-2008 at 1:34 pm

  11. I came up with “teeth,” too. With small baby ones and large adult ones, replacing one set with the other, I think it fits the clue just as well. You and me, Matt! Great minds think alike.

    posted by Scott on 12-4-2008 at 3:54 pm

  12. Cells! OK, so they’re ALL small but not compared to each other — some are quite a bit larger. But they all double. :)

    And sure, CELL has just four letters, but it says THEY have five…and they do!

    posted by Ryan on 12-5-2008 at 12:34 am

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