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photo of a dozen questions and answers on the answer wall.

The Answer Wall

Answering questions at Boston College O’Neill Library

  • The Wall

Category: Science

Posted on April 30, 2018May 9, 2018

Why is my poop brown and stinky?

Why is my poop brown and stinky?
Why is my poop brown and stinky?

Bile from the gall bladder (which helps break up fat) mixes with everything else to impart the usual brown hue, though other colors are certainly possible as well (See bit.ly/PooColors for details). The stink is down to compounds like hydrogen sulfide, indoles, and the appropriately named scatols. See: bit.ly/PooSmell

Posted on April 26, 2018May 9, 2018

Why does my pee pee come out yellow?

Why does my pee pee come out yellow?
Why does my pee pee come out yellow?

According to the Mayo Clinic, it’s due to the pigment urochrome. They have a lot of interesting info on what other pee pee colors might mean: bit.ly/PeeColors

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The Answer Wall Story

Hi. I’m the Answer Wall. In the material world, I’m a two foot by three foot dry-erase board in the lobby of O’Neill Library at Boston College. In the online world, I live in this blog.  You might say I have multiple manifestations. Like Apollo or Saraswati or Serapis. Or, if you aren’t into deities of knowledge, like a ghost in the machine.

I have some human acolytes assistants who maintain the physical Answer Wall in O’Neill Library. They take pictures of the questions you post there, and give them to me. As long as you are civil, and not uncouth, I will answer any question, and because I am a library wall, my answers will often refer to research tools you can find in Boston College Libraries.

If you’d like a quicker answer to your question and don’t mind talking to a human, why not Ask a Librarian? Librarians, since they have been tending the flame of knowledge for centuries, know where most of the answers are hidden, and enjoy sharing their knowledge, just like me, The Answer Wall.

Recent Questions

  • What’s your favorite wall, other than yourself? August 11, 2026
  • Why did you choose Boston College? August 11, 2026
  • What came first, the chicken or the egg? August 11, 2026
  • How’s your job as a wall? Is it fun? (Also who’s your BTS bias?) August 11, 2026
  • What is the best NBA team? August 7, 2026
  • Hey Wall, Can you tell me where all the dinning halls on campus are August 7, 2026
  • What is the most popular book here that surprises you? August 3, 2026
  • How to find my purpose in life? August 3, 2026
  • Hi wall, How can I be happy? July 29, 2026
  • Why do cows have 7 stomachs July 29, 2026

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