The 2013 discovery of Homo naledi in the Dinaledi Chamber (Chamber of Stars) of the Rising Star cave system announced in September 2015 made headlines around the world. It was a spectacular find, not only revealing a new species of ancient human relative, but also revealing the largest assemblage of fossil hominins ever discovered on the continent of Africa containing the bones of infants, children and adults. But how had these bones come to rest in a deep underground chamber,...