Dust
My wife watches way too much HGTV so she is prone to fits of “redecorating.” Last night she decided that she wanted me to move my CDs out of the living room and put them in the computer room where they would be closer to me. She wanted me to clear off the shelves on one side of the room that were full of books and put my music CDs on them. She wanted the selves in the living room to put her teddy bears on. For now the books reside on the floor in the computer room.
If you don’t use the books for a while it is amazing the amount of dust that gathers on them and the selves they reside on. Dust disposal takes on two forms at my house: 1) When Donna is around, you have to wipe the dust off with a damp washcloth, so it doesn’t fly everywhere. 2) When she is not around I just wipe it off onto the floor (where I could vacuum it up later) I know I read somewhere that dust is mostly dead skin that has sloughed off of you, but what else is it? Really, really small dirt? Tiny meteorites? Insect shit?