Answer:
When I am alive, people sing. When I am dead, people clap hands. What am I?
There is one in every corner and two in every room.
I direct you from outer space.
Until I am measured, I am not known. Yet, how you miss me when I have flown. What Am I?
I always murmur but never talk. Always run but never walk. I have a bed but never sleep, have a mouth but never speak. What am I?
For our ambrosia we were blessed, By Jupiter, with a sting of death. Though our might, to some is jest, We have quelled the dragon's breath. Who are we?