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.
In both cases the Court unanimously upheld the defendants' convictions under the 1917 Espionage Act and the 1918 Sedition Act, respectively -- and in both cases Justice Oliver Wendell Holmes penned the Court's decisions. In Schenk, Holmes devised a legal test for governmental restrictions on free speech.