In 1943, 18-year-old Robert Ellis joined the elite U.S. Army Ski Troops of the 10th Mountain Division. This division has been called the most elite and publicized American military unit in World War I
The mysterious and often unpredictable world of primates is explained by Smithsonian scientists in a question-and-answer format. Primates in Question, part of the Smithsonian's popular “In Question” s
