We Found a Mysterious Substance on the Bathroom Floor and Spent an Hour Trying to Identify It. Here Is What It Turned Out to Be

first guess was something that had slipped out of a drain. My girlfriend suggested it might be a bit of mold that had grown overnight. I wondered if it had fallen from the ceiling or come from inside the wall.

None of our guesses felt quite right. The more we talked, the more creative our theories became. At one point we wondered if it was something continue reading …