1. How did the universe begin?
2. What is the nature of the dark matter that permeates the universe?
3. What is the nature of the dark energy that causes the accelerated expansion of the universe?
4. How are stars and planets formed?
5. Does Einstein’s theory of general relativity work in situations of very strong gravity?
6. Is quantum mechanics the ultimate description of nature?
7. What is the origin of the strange spectrum of the masses of elementary particles?
8. Is supersymmetry a true feature of nature? And where will it show up?
9. Can we solve Quantum Chromodynamics (QCD)?
10. What is string theory?
11. What is the true nature of space and time?
12. Is physics an environmental science?
13. Should kinematics and dynamics be distinct?

Next 12