Answer:
Describes universities like Harvard and can be poisonous.
If you break me, I do not stop working. If you touch me, I may be snared. If you lose me, nothing will matter.
I am the third from a sparkle bright, I thrive throughout the day and night. Deep in the path of a cows white drink. I've had thousands of millions of years to think. But one of my creatures is killing me. And so the question I ask to thee, is
Lighter than what I am made of, More of me is hidden Than is seen.
I am seen in the water. If seen in the sky, I am in the rainbow, a jay's feather, and lapis lazuli.
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.