“Found this sticky gunk under a shelf inside my house. What is this?”

It all started with a simple, everyday mission. I was on a quest to rescue a rogue LEGO piece that had fallen into the dusty purgatory beneath the bookshelf. This area of the house is a well-known “no man’s land” where small toys go to be forgotten. With a pencil in my hand—which is my standard protocol for unknown floor hazards—I prepared myself for the task. I fully expected to feel the familiar sting of plastic betrayal if I accidentally stepped on a sharp brick.

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