New riddles

I run over fields and woods all day. Under the bed at night I sit, never alone. My tongue hangs out, up and to the rear, waiting to be filled in the morning. What am I?

I look flat, but I am deep, Hidden realms I shelter. Lives I take, but food I offer. At times I am beautiful. I can be calm, angry and turbulent. I have no heart, but offer pleasure as well as death. No man can own me, yet I encompass what all men must have.

What is black and white and read all over?

I go around all the places, cities, towns and villages, but never come inside. What am I?

I have no life, but I can die, what am I?

I don’t speak, can’t hear or speak anything, but I will always tell the truth. What am I?

I have no legs. I will never walk, but always run. What am I?

What fish can help you to build a house?

Look at me. I can bring a smile to your face, a tear to your eye, or even a thought to your mind. But, I can't be seen. What am I?

When does an British Potato changes its nationality?