Answer:
We are all around, yet to us you are half blind. Sunlight makes us invisible, and difficult to find.
I am the heart that does not beat. If cut, I bleed without blood. I can fly, but have no wings. I can float, but have no fins. I can sing, but have no mouth.
An open ended barrel, it is shaped like a hive. It is filled with the flesh, and the flesh is alive.
What has a single eye but cannot see?
What is lengthened by being cut at both ends?
What did the piece of wood say when he saw the screwdriver and screws approaching?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?