Liquid nitrogen evaporates, and can cause violent oxidation of organic material. Ingestion of liquid nitrogen can cause severe internal damage, due to freezing of the tissues which come in contact with it and to the volume of gaseous nitrogen evolved as the liquid is warmed by body heat. In 1997, a physics student demonstrating the Leidenfrost effect by holding liquid nitrogen in his mouth accidentally swallowed the substance, resulting in near-fatal injuries. This was apparently the first case in medical literature of liquid nitrogen ingestion. In 2012, a young woman in England had her stomach removed after ingesting a cocktail made with
Neapolitan ice cream cream may be introduced into almost any combination unless coffee were used. Banana cream, pistachio, or almond cream with cherry water and damson or strawberry water are other options. "The Neapolitan Ice Spoon has a double use; ice bowl is for putting the mixture into the mold, and the handle is for leveling it. The boxes may be made of tin, which is less expensive than pewter. They are generally sold small enough to make single ices, but these are much more troublesome to prepare. After filling the molds, if there is no cave, 'bed' the ice in the usual