Stewart Butterfield taxes me. If I can't define a live organism as a volume how can I say where it is in space? Problems, problems: An undergraduate introduction to Peter Unger's Problem of the Many helps me out a little.
On a different note completely, on Sylloge Stewart talks about how visuals enhance music. I recommend thoroughly the paper linked there [Time and the Observer]. God, I wish I knew more about that kind of stuff. What should I read?