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.
James McCord. A former CIA officer, McCord was one of the five burglars arrested at the Watergate complex on June 15, 1972. He was convicted on eight counts of conspiracy, burglary and wiretapping, spending two months in prison. In March 1973 McCord wrote a letter implicating White House officials in the cover-up. He later published a book about his role in the scandal.