Answer:
It's been around for millions of years, but is never more than a month old. What is it?
The itsy bitsy teeny weeny yellow polka dot variety is quite popular.
My teeth are sharp, my back is straight, to cut things up it is my fate.
What has four legs during the day; and six or eight during the night?
What goes in, but never through? I've got some and so do you. We might lend one, or even two, but only if our trust is true.
Why was the cook arrested?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?