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

I am a five-letter word under you,
Remove the first letter and I am above you,
Remove the second as well and I am around you.

Who am I?

Begin with a word, five letters to my name,
Remove the first and last but I am the same
Take out my middle and still, I remain.
What word am I?

Be active and find the killer in the picture Riddle below.

Can you count the number of quadrilaterals in the picture below?

I have Rs.50 and I spend it in the way as below.

Why did Buffon take the goal with him after every Juventus match?

Can you move 2 matchsticks to form four equal sized squares.

If an earthquake is 1 point higher on the Richter Scale than another earthquake which is actually 10 times stronger, how much stronger would an earthquake be if it was just half a point higher on the Richter scale?

Look at me. I can bring a smile to your face, A tear to your eye, Or even a thought to your mind. But, I can't be seen. What am I?