Tell us what you think of the flu — do you think there is a significant threat of a major outbreak today like there was in 1918?
"The Wizard of Menlo Park," Inventor Thomas Edison, built the first practical light bulb and revolutionized the world.
Robert Moses fueled some of the most ambitious -- and controversial -- public works projects ever conceived.
The story behind the development of the oral contraceptive that put women in control of birth control.
During World War II, more than a thousand women signed up to fly with the U.S. military as WASPS.
Though first seen only as an expensive luxury, Alexander Graham Bell's telephone soon transformed American life and became a necessity.
After 18 years of struggles, the Golden Gate Bridge opened on May 27, 1937.
The grave truth behind modern forensics was discovered in 1920s New York.
The international race to develop biological weapons during the 20th century.