A surprisingly large number of unsettled questions in philosophy arise from the difficulty of meshing: A. our theoretical understanding of what things are "really" like (physics, atoms, etc.) with B. our direct, first-hand experiences as humans. Examples: (1) Ethics - most people experience a visceral feeling that some things are inherently and universally morally wrong (e.g., murdering children). Yet it's unclear what, in the universe of atoms (or in physics), could make (o...