I taste better than I can smell. Who am I?

What runs around the whole yard without moving?

Let's play a word game. Following are some meaningless words that can be completed by adding random letters on either side of the word.

For example, the word "rdo" can be formed into "pardon".

Using the same technique, can you complete the given words?
ecalc
airb
rinci
tibac
uidel
gorit
igna
eyho

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

There is something which is always coming but never arrives?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

What can you catch but never throw?

Two fathers and two sons went fishing one day. They were there the whole day and only caught 3 fish. One father said, that is enough for all of us, we will have one each. How can this be possible?

I have eight fingers and two thumbs but I do not live. What Am I?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?