Answer:
I go around a yard but does not move.
I have all the knowledge you have. But I am so small that I can fit into your hands. What am I?
I'm really blue but when you see me I'm red. You don't see me too often. I'm there for you if you're hurt.
If you have it, you donβt share it. If you share it, you donβt have it. What is it?
I can fall off a building and live but in water I will die.
Why was the cook arrested?