Why do humans grow only two sets of teeth?
Can we live on a different planet?
How does our heart beat?
Why do humans like music?
Will humans ever realize their true potential?
Why do humans commit the same errors (in terms of the environment or society or politics) again and again?
If you were to meet an alien on another planet how would you describe humans on earth?
What is our purpose as a human being?
Why humans take risks and animals don’t?
Did God create man or did Man create God?