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.
Check out that special day in September and see what else happened! September 1. Aaron Burr was acquitted of treason by a circuit court in Richmond, Virginia, on the grounds that he was not present when an overt act was committed, 1807. The city of Atlanta, Georgia was evacuated by Confederate forces commanded by General John B. Hood, 1865.