I travel all around the world but always stay in the corner. What am I?

What you cannot hold but it is yours?

I can turn polar bears white.
I can make anyone dance.
I can make everyone cry
I can make your hands clap
I can make you thin.
I can make you smile.
I can make you smile

Can you guess the riddle?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

How many times can you subtract the number 5 from 25?

Two guards were guarding the camp.Guard-1 was looking towards the south to make sure no threat is coming from the road.Guard-2 was looking at the north to make sure no threat is coming from the top. Suddenly Guard-1 ask the Guard-2 why he is smiling?How Guard-1 knows that Guard-2 is smiling?

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?

Can it be possible to build a house that has all its four walls facing towards the South?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

I am eight letters long - "12345678"
My 1234 is an atmospheric condition.
My 34567 supports a plant.
My 4567 is too appropriate.
My 45 is a friendly thank-you.
My 678 is a man's name.

What word am I?