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
Oyster ice cream the 23rd Oyster Festival in Arcata Main Street, which took place in June 2013. Oyster ice cream Oyster ice cream is a flavour of ice cream. Its existence has been attested since 1842. Described as having a savoury taste, the ice cream flavour has been offered at a number of oyster festivals. It was previously thought that eating oysters and ice cream together would be no good for one's health; some investigators in the 1930s claimed that this belief was unfounded. Oyster ice cream was already in existence as early as 1824, when a recipe for it was given in