Any physical theory is always provisional, in the sense that it is only a hypothesis: you can never prove it.
Science can explain the universe without the need for a Creator.
There is no prescribed route to follow to arrive at a new idea. You have to make the intuitive leap.
Using e-mail, I can communicate with scientists all over the world.
Every man should marry. After all, happiness is not the only thing in life.
Succeed in spite of management.