Answer:
I can travel from there to here by disappearing, and here to there by reappearing.
Describes universities like Harvard and can be poisonous.
Vikings use this for warmth.
My first is an insect; my second is a border; my whole puts the face in a tuneful disorder.
I love to dance and twist and prance. I shake my tail, as away I sail. Wingless I fly into the sky.
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.