Questions with the keyword 'nitrogen'

• whats your fav thing to do with nitrogen by wario5000 to Aime, Akshat, Diana, Gemma, Judith Comments: (so far, 2s comments )
• does freezing things in liquid nitrogen and then smathing them help you with your research in any way or is it just for by smithy64 and 1 other. to Judith Comments: (so far, 4s comments )