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
White Russian (cocktail) Kournikova (named after the tennis player, made with skimmed milk, i.e. a "skinny, low-fat" White Russian), a White Cuban (made with rum instead of vodka), or a Dirty Russian (made with chocolate milk instead of cream). White Russian (cocktail) A White Russian is a cocktail made with vodka, coffee liqueur (e.g., Kahlúa or Tia Maria), and cream served with ice in an Old Fashioned glass. Often milk will be used as an alternative to cream. The traditional cocktail known as a Black Russian, which first appeared in 1949, becomes a White Russian with the addition of cream. Neither drink is