Presented by David J. Shetlar, PhD (the BugDoc) With all the current talk about environmental adverse impacts of modern pesticides, people often adopt a pastoral view that our forefathers had less problems dealing with toxins. In the 1880s, We will find out that a common pesticide was mercury chloride, though benzene (a known carcinogen) and even opiates were used for pest control in and around the home!  Perhaps, things were better back then! Free and open to the public