The Neolithic Canoes of Capri, Or, Have Obsidian, Will Travel?

Like most people, the find of an obsidian core on the seafloor off Capri has us asking, how did a chunk of the Neolithic period’s favorite shiny stone get to the bottom of the Mediterranean and, was a sunken canoe involved? After answering “who knows,” our (non-sailing) contestants are left to ponder the bravery of those who sailed in the Neolithic and ask, was it such a big deal?