Columbia Encyclopedia
Search results
500 results found
Manhattan Project
(Encyclopedia)Manhattan Project, the wartime effort to design and build the first nuclear weapons (atomic bombs). With the discovery of fission in 1939, it became clear to scientists that certain radioactive materi...North Platte project
(Encyclopedia)North Platte project, unit of the U.S. Bureau of Reclamation, in the North Platte River valley, W Nebr. and E Wyo. It supplies hydroelectric power to many towns and industries and provides irrigation ...human evolution
(Encyclopedia)human evolution, theory of the origins of the human species, Homo sapiens. Modern understanding of human origins is derived largely from the findings of paleontology, anthropology, and genetics, and i...Strawberry valley project
(Encyclopedia)Strawberry valley project, N central Utah, developed by the U.S. Bureau of Reclamation for irrigating lands S of Utah Lake; constructed 1906–13. The water of Strawberry River and its tributaries is ...Columbia basin project
(Encyclopedia)Columbia basin project, central Wash., a multipurpose development of the U.S. Bureau of Reclamation providing irrigation, hydroelectric power, and flood control. Its key unit, the Grand Coulee Dam, pr...James Bay Project
(Encyclopedia)James Bay Project, a colossal hydroelectric development of the rivers emptying into the E James Bay, central Quebec, Canada. La Grande Phase I, finished in 1985, created the world's largest undergroun...Central Utah project
(Encyclopedia)Central Utah project, N central Utah; begun 1959 near Vernal, Utah, by the U.S. Bureau of Reclamation in conjunction with the Colorado River storage project. Water, collected from streams in the Uinta...Federal Art Project
(Encyclopedia)Federal Art Project: see Work Projects Administration. ...Federal Writers' Project
(Encyclopedia)Federal Writers' Project: see Work Projects Administration. ...human papillomavirus
(Encyclopedia)human papillomavirus (HPV), any of a family of more than 100 viruses that cause various growths, including plantar warts and genital warts, a sexually transmitted disease. Genital warts, sometimes cal...Browse by Subject
- Earth and the Environment +-
- History +-
- Literature and the Arts +-
- Medicine +-
- People +-
- Philosophy and Religion +-
- Places +-
- Africa
- Asia
- Australia and Oceania
- Britain, Ireland, France, and the Low Countries
- Commonwealth of Independent States and the Baltic Nations
- Germany, Scandinavia, and Central Europe
- Latin America and the Caribbean
- Oceans, Continents, and Polar Regions
- Spain, Portugal, Italy, Greece, and the Balkans
- United States, Canada, and Greenland
- Plants and Animals +-
- Science and Technology +-
- Social Sciences and the Law +-
- Sports and Everyday Life +-
