You also have a couple of good questions on each of the themes. Should organ donors be financially compensated? Does hardship make a person stronger?
Do we share different things with different people? Would it be more frightening to discover that humans are the most advanced species in the universe or that we are far from being the most advanced species in the universe? Quantum mechanics makes this problem even more complicated by suggesting that we live in a universe of probability, and that determinism of any sort is impossible.
Is it possible time is being altered right now? Assume that in the future there will be huge leaps in human augmentation. Do we think with language or pictures?