Was the Black Death really the most deadly disease in human history? And did it really come from outer space? From the time of the first plague outbreak all the way until now, the Black Death has ignited imaginations. Some cite it as the first example of biological warfare, while others say that the death toll estimates you learned about in school are actually too low. Professor John Giebfried join us to examine the real history of the Black Death, and separate truth from fiction!
