Answer:
We are all around, yet to us you are half blind. Sunlight makes us invisible, and difficult to find.
The barber of New York shave all men in New York. No man living in New York is allowed to shave himself. The barber of Nee York lives in New York. Who shaves the barber ?
What gets wet while drying?
Who lives in a house with one bedroom, 50 hallways, and ghosts lurking everywhere?
I'm light as a feather, yet the strongest man can't hold me for more than 5 minutes.
You use it between your head and your toes, the more it works the thinner it grows.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?