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 Rosenberg1 THIS YEAR marks 50 years since the execution of Ethel and Julius Rosenberg on June 19, 1953a murder committed by the U.S. government in the name of national security and the Cold War fight against communism. The official crime for which they were tried was conspiracy to commit espionage.