With a few exceptions such as the Schöningen spears and the recent finds of wooden tools at Pogetti Vecchi, almost all of our knowledge about the Middle Paleolithic comes from durable materials (bones and stone tools). We know from observations of our own surroundings, ethnographic and ethnohistoric accounts that most of the material culture of humans (and Neanderthals) is comprised of perishable materials... Obviously, differential preservation of materials contributes to this bias. Previously, researchers have demonstrated that the microenvironment immediately surrounding a stone tool can preserve microscopic fragments of what is otherwise invisible archaeologically. This is also true for the...