The more of this there is, the less you see. What is it?

He digs out tiny caves and stores gold and silver in them. He also built bridges of silver and made crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs his help, yet many people are afraid to let him help them. Who is he?

Can you find the missing piece of the Porsche?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

John was piloting a plane behind a car but was never able to overtake it. Why?

I know a nine-letter word having only one vowel.
Do you ?

I can sizzle like bacon,
I am made with an egg,
I have plenty of backbone, but lack a good leg,
I peel layers like onions, but still remain whole,
I can be long, like a flagpole, yet fit in a hole.

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

Why 1729 is a magic number? Answer Logically.