In 1933 a farmer named Ed Carlson walked into a laboratory at the University of Wisconsin and asked a simple question- what was killing his cattle? The answer to that question would earn the university millions of dollars, and revolutionize the fields of both medicine and vermin extermination. The strange story of warfarin deserves to be remembered.
On September 22, 1953 a new kind of construction was fully opened for the first time in Los Angeles. The Stack is an LA icon that changed the way the world builds its highways.