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
Schoep's Ice Cream Schoep's Ice Cream Schoep's Ice Cream is an ice cream manufacturing company based in Madison, Wisconsin. It is the largest independent ice cream manufacturer in Wisconsin. Schoep's Ice Cream was founded by E.J. Schoephoester in 1928. Schoephoester made and sold the ice cream in his grocery store. By 1937 Schoep's Ice Cream had grown in local popularity, and E.B. Schoephoester sold his company in 1940 to Peter B. Thomsen, a butter maker. The company has been kept in the Thomsen family, and as of 2008, it was owned in part by nineteen members of the Thomsen family. As of 2018,