S. History, 2011). Only after aggressive government intervention did the Dust Bowl conditions improve. The government, even before the drought was broken in 1939, was able to reduce soil erosion by 65% through the actions of the Civilian Conservatio Continue Reading...
John Snow father epidemiology pioneering research analogy containment cholera outbreak London 1800's. However, contributor, William Farr, provided substantial information data understanding etiology spread cholera research surveillance John Snow is Continue Reading...
Snow, in contrast to Farr's epidemiology, was far more innovative and spontaneous in his methods, which also made his conclusions, in the eyes of his colleagues more suspect. As well as doing his own hands-on research, Snow analyzed the "natural ex Continue Reading...
