Answer:
What is weightless but takes two people to hold it?
I am a precious little thing, dancing and eating all the time. Watch me from a distance, so you can feel my warm and gentle love. But don't come to close or my next meal you could be!
I always follow my brother but you cannot see me, only him. You cannot hear him but you can hear me. What are we?
Describes universities like Harvard and can be poisonous.
Forward Iβm heavy, but backwards Iβm not.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?