My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

What's the only room from which no one can enter or leave

What kind of band never plays music?

Why Wine Glass Stem is so long?

When it's bad luck to meet a black cat?

I have branches, but no fruit, trunk or leaves. What am I?

I can be cracked, made, told, and played. What am I?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

The barber of Town shaves all men living in the town. No man living in the town is allowed to shave himself. The barber lives in that town. Who then shaves the barber of the town?