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sewerage
(Encyclopedia) sewerage, system for the removal and disposal of chiefly liquid wastes and of rainwater, which are collectively called sewage. The average person in the industrialized world produces…septic tank
(Encyclopedia) septic tank, underground sedimentation tank in which sewage is retained for a short period while it is decomposed and purified by bacterial action. The organic matter in the sewage…sewage treatment
(Encyclopedia) sewage treatment: see septic tank; sewerage.Chicago, river, United States
(Encyclopedia) Chicago, river, formed in Chicago by the junction of its North Branch (24 mi/39 km long) and South Branch (10 mi/16 km long), and flowing southeast via a canal into the Des Plaines…plumbing
(Encyclopedia) plumbing, piping systems inside buildings for water supply and sewage. The Romans had a highly developed plumbing system; water was brought to Rome by aqueducts and distributed to…water pollution
(Encyclopedia) water pollution, contamination of water resources by harmful wastes; see also sewerage, water supply, pollution, and environmentalism. The United States has enacted extensive federal…Pettenkofer, Max von
(Encyclopedia) Pettenkofer, Max vonPettenkofer, Max vonmäks fən pĕtˈənkōˌfər [key], 1818–1901, German chemist and hygienist. He studied medicine at Munich. Pettenkofer is considered a founder of…cryptosporidium
(Encyclopedia) cryptosporidiumcryptosporidiumkrĭpˌtōspərĭdˈēəm [key], genus of protozoans having at least four species; they are waterborne parasites that cause the disease cryptosporidiosis. One of…hygiene
(Encyclopedia) hygiene, science of preserving and promoting the health of both the individual and the community. It has many aspects: personal hygiene (proper living habits, cleanliness of body and…January Current Events 2024: Disaster News
Top of Page World News | U.S. News | Science & Technology News | Current Events This Week The world is a very busy place, and it's hard to stay on top of everything. Infoplease has got you…Trending
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