Easy riddles

I'm in you, But not in him, I go up, But not down, I'm in the colosseum, But not a tower, I'm in a puzzle, But not a riddle.

Physicists have built devices to move me very fast. My last seven letters can be commonly found in newspapers, magazines and journals. What am I?

When can you add two to eleven and get one as the correct answer?

I am always hungry and will die if not fed, whatever I touch will soon turn red.

I am full of holes but I can still hold water. What am I?

I know a country. If you remove the last aplhabet of its name, it will become a part of your body. Do you?

I travel all over the world, but always stay in my corner. What am I?

Take off my skin - I won't cry, but you will! What am I?

We can be boring, Or interesting. We can be long, Or short. We can have pictures, Or just words. Many love us, But many also hate us. What are we?

Why did the man ask his wife for a map?