Good Riddles

Question: What two letters can spell the word candy?

Question: I am the only organ that named myself.What am I?

Question: Ants on a stick may only move left or right. If they bump into each other they bounce off of each other and immediately move in the opposite direction maintaining speed the entire time. The only time they change speed is when they fall off of the edge of the stick.

If 25 ants are randomly put on a 1 meter long stick moving 1 meter per second, what is the longest amount of time it could take for them to all fall off?

Question: I have two rings. I move by request. If the mixture isn't right I just sit and rest.

What am I?

Question: How far can a dog run into the woods?