You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?

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

how come the second man dies?

A man was just doing his job when his suit was torn. Why did he die three minutes later?

I am first found in caves, now prolific online; I am a depiction, a drawing, a symbol, or sign. I will convey whichever mood you could wish; or for that matter, a fist, flask, or fish. What am I?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

What 8 letter word can have a letter taken away and it still makes a word. Take another letter away and it still makes a word. Keep on doing that until you have one letter left. What is the word?

During which month do people sleep the least?

How many triangles are there on the puzzle below?