Questions

1. Would a false vacuum decay replace spacetime as it expanded, or only alter it?
2. Why collide heavy ions (and why gold in particular)?
3. If the Higgs boson gives matter its mass, what gives it its charge?
4. But seriously, why are there only eight gluons?
5. Why are there three generations of matter? What are things like the muon and the top quark for?
6. Could you have a universe in which pi had a different value? How about one in which 2+2!=4?
7. If the universe is infinite, does it have infinite mass?
9. Are leptons and quarks actually composed of different numbers or groupings of the same truly fundamental particle(s)?

ETA

10. If we're swimming in Higgs bosons, why not just fish one of them out, rather than making one from scratch?
11. Do Higgs bosons get their mass from other Higgs bosons?