Answer:
What word looks the same upside down and backwards?
The sharp slim blade, that cuts the wind. What is it?
I am so simple that I can only point. Yet I guide men all over the world.
What is the only letter in the alphabet that does not appear anywhere on the periodic table of elements?
A man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?
I'm the source of all emotion but I'm caged in a white prison.