The Miasma Theory Was Wrong but Led to Smart Sanitation
American 19th-century sanitation engineer George E. Waring, Jr. was a miasmaist. He believed in the miasma theory, which holds that toxic vapors traveled through damp soil, rotted vegetation, and pools of standing water. These toxic vapors were understood to emanate from the Earth and interact with the atmosphere and cause disease in American cities.
http://dlvr.it/RwHbDl
http://dlvr.it/RwHbDl
Nhận xét
Đăng nhận xét