David O'Connor, Professor in Pathology and Laboratory Medicine at UW-Madison, shares information about the Zika virus, how the disease is transmitted and potential complications, and compares it to the AIDS epidemic.
Gangsters make huge profits and wreak havoc in cities across the country. By the late 1920s, many Americans believe that Prohibition -- the "Noble Experiment" -- has failed. After the election of FDR in 1932, Prohibition is repealed.
Chris Henry, Staff Member, Experimental Aircraft Association, discusses the Apollo 13 mission. An in-flight explosion changed the focus from a moon landing to a rescue mission. Henry discusses the recent reunion of the astronauts.
Kyle Cudworth, Professor Emeritus of Astronomy and Astrophysics at the University of Chicago, explains the difference between open star clusters and globulars, which contain hundreds of thousands of stars and are more centrally concentrated than the open clusters.