Answer:
What turns everything around but does not move?
Add a T and I shoot through the sky. Then add an S and I multiply. What word is it?
It's been around for millions of years, but is never more than a month old. What is it?
What can go through glass without breaking it?
I am the heart that does not beat. If cut, I bleed without blood. I can fly, but have no wings. I can float, but have no fins. I can sing, but have no mouth.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?