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1. What existed before big bang?
2. What is the universe made up of?
3. What existed before time?
4. How did the life begin?
5. Are we alone in the universe?
6. Is there multiverse?
7. Can we live forever?
8. Can time travel possible?
9. What happens to us after death?
10. If God created us, then who created God?
11. If God exists, then why can't we see him?
12. Are there ghosts?
13. What's really inside the black hole?
14. Can we teleport?
15. Can we travel faster than light?
