My lab partner back at university once got a very nasty liquid nitrogen burn. Couldn't use his hand for a few weeks. We even executed emergency procedures swift

My lab partner back at university once got a very nasty liquid nitrogen burn. Couldn't use his hand for a few weeks. We even executed emergency procedures swiftly and correctly. It was a freak accident, but since then I always cringe when I see articles like this that have little mention of the dangers involved and appropriate safety measures.