Hemoglobin is an iron-containing protein found in the blood of nearly all vertebrates and many invertebrates. It transports oxygen from the lungs or gills of an animal to the tissues. Four polypeptide chains, each wrapped in a specific way around its own heme group, make up the hemoglobin molecule.
Correction Appended. Alger Hiss, the erudite diplomat and Harvard-trained government lawyer who was convicted of perjury in an espionage case that became one of the great riddles of the Cold War, died yesterday at Lenox Hill Hospital in New York City. He was 92 and lived in Manhattan.
Julius and Ethel Rosenberg. Ethel Greenglass Rosenberg (September 28, 1915 â June 19, 1953) and Julius Rosenberg (May 12, 1918 â June 19, 1953) were American communists who were convicted and executed in 1953 for conspiracy to commit espionage during a time of war.