The proverb "All roads lead to Rome" was once a literal statement. During the height of the Roman Empire, a road system of about 50,000 miles (80,000 km) linked Rome with its many provinces. The roads often ran in straight lines despite obstacles and were typically constructed in four layers. The road system improved travel for the Roman army, aided commercial ventures, and allowed a postal service to thrive. Some parts still survive today. What modern highways run along ancient Roman routes?
Mr. and Mrs. Julius Haldeman
Back in the day
Born in Korea shortly before it was occupied by Japan, Rhee was condemned to life in prison in 1897 for anti-Japanese activity. Amnestied and released in 1904, he went on to become the first Korean to earn a doctorate from a US university. In 1919, he was elected president of a provisional government in exile. Following WWII, he was elected the first president of Korea, with US backing. Ruling as an anti-Communist dictator, Rhee went to war against North Korea in 1950. Why did he resign in 1960?
Born on a day like today
Yalow was a medical physicist who developed the technique of radioimmunoassay (RIA)—a simple way to measure tiny concentrations of substances such as hormones, enzymes, or drugs in blood or other bodily fluids. She originally applied RIA to study blood insulin levels in diabetes mellitus, but the method soon found hundreds of other applications. For these discoveries, she shared the 1977 Nobel Prize in medicine, becoming only the second woman to win the award in this field. Who was the first?