Any two particles in the universe attract each other through the gravitational interaction.
Surprise is inherent in the structure of the world.
We know no more than we did in 1975 - and that's not good
One possibility is: God is nothing but the power of the universe to organize itself.
The revolution which began with the creation of quantum theory and relativity theory can only be finished with their unification into a single theory that can give us a single, comprehensive picture of nature.
Some string theorists prefer to believe that string theory is too arcane to be understood by human beings, rather than consider the possibility that it might just be wrong.