User:Daniel Mietchen/Sandbox/Popular Pages/1-250

The account of this former contributor was not re-activated after the server upgrade of March 2022.

• Welcome to Citizendium [r]: Add brief definition or description 652784
•  Wikipedia [r]: An online encyclopedia in every major language, open to anonymous editing by anyone. ^[e] 9777
•  Biology [r]: The science of life — of complex, self-organizing, information-processing systems living in the past, present or future. ^[e] 7417
•  Astronomy [r]: The study of objects and processes in the observable universe, e.g. stars, planets, comets or asteroids. ^[e] 7384
•  Mathematics [r]: The study of quantities, structures, their relations, and changes thereof. ^[e] 6082
•  United States of America [r]: a large nation in middle North America with a republic of fifty semi-independent states, a nation since 1776. ^[e] 5676
•  Life [r]: Living systems, of which biologists seek the commonalities distinguishing them from non-living systems. ^[e] 5480
•  Mitochondrion [r]: Structure, function, life cycle and evolutionary theories involving the origins and role of the mitochondrion. ^[e] 5056
•  Wheat [r]: Grass crop grown worldwide and used in making flour and fermentation for alcohol production. ^[e] 4783
•  History [r]: Study of past human events based on evidence such as written documents. ^[e] 4602
•  Conventional coal-fired power plant [r]: power plant that burns coal in a steam generator to produce high pressure steam, which goes to steam turbines that generate electricity. ^[e] 4558
•  Computer [r]: A machine that executes a sequence of instructions. ^[e] 4481
•  Micrococcus luteus [r]: Gram positive, spherical, saprotrophic bacterium that belongs to the family Micrococcaceae, considered as an emerging nosocomial pathogen in immunocompromised patients. ^[e] 4330
•  Bacillus megaterium [r]: One of the largest eubacteria; a rod shaped endospore-forming aerobic bacteria. ^[e] 4311
•  Proteus mirabilis [r]: A Gram-negative, rod-shaped bacteria belonging to the enterobacteriaceae family; causes 90% of human infections with Proteus species, usually community-acquired ^[e] 4304
•  Periodic table of elements [r]: A tabular method of displaying the chemical elements. ^[e] 4098
•  Ku Klux Klan [r]: Name of various secretive, white supremacy organizations originated in the United States of America after the Civil War. ^[e] 4087
•  Steel industry, history [r]: The story of development of one of the core technologies of the Industrial Revolution. ^[e] 4084
•  Adolf Hitler [r]: (1889–1945) Politician in Germany; became 1921 Nazi Party leader, 1933 Reichskanzler (Chancellor), then 1934 as der Führer dictator before and during World War II. ^[e] 4043
•  New York, New York [r]: The largest city in the United States of America and a world center of finance, commerce, communications, and the arts. ^[e] 4036
•  Petroleum refining processes [r]: The chemical engineering processes used in petroleum refining. ^[e] 3920
•  Compressibility factor (gases) [r]: A thermodynamic property for modifying the ideal gas law to account for behavior of real gases. ^[e] 3910
• Labor Unions, U.S., History [r]: Add brief definition or description 3877
•  DNA [r]: A macromolecule — chemically, a nucleic acid — that stores genetic information. ^[e] 3864
•  Chiropractic [r]: A complementary, alternative health-care profession that aims to heal using manual therapies on the spine and extremities. ^[e] 3863
•  Amino acid [r]: Biochemical with an amino group, a carboxyl group, a hydrogen atom, and a side chain bonded to a central carbon. ^[e] 3787
•  Music [r]: The art of structuring time by combining sound and silence into rhythm, harmonies and melodies. ^[e] 3696
•  Linguistics [r]: The scientific study of language. ^[e] 3693
•  World War I [r]: (1914-1918) global war centered in Europe killing 7 million people, ending with an influenza pandemic that killed at least 50 million (1918-1920) and possibly as many as 100 million people. ^[e] 3580
•  Religion [r]: Belief in, and systems of, worshipful dedication to a superhuman power or belief in the ultimate nature of existence. ^[e] 3568
•  Chemistry [r]: The science of matter, or of the electrical or electrostatical interactions of matter. ^[e] 3531
•  Agriculture [r]: Add brief definition or description 3494
•  Horizontal gene transfer [r]: Add brief definition or description 3446
•  Protein structure [r]: Add brief definition or description 3398
•  Steam generator [r]: Add brief definition or description 3396
•  Proteus vulgaris [r]: Add brief definition or description 3366
•  Physics [r]: Add brief definition or description 3351
•  Citizendium [r]: Add brief definition or description 3264
•  Philosophy [r]: Add brief definition or description 3247
•  Continuous distillation [r]: Add brief definition or description 3234
•  History of economic thought [r]: Add brief definition or description 3217
•  Woodrow Wilson [r]: Add brief definition or description 3162
•  Theodore Roosevelt [r]: Add brief definition or description 3131
•  Geography [r]: Add brief definition or description 3109
•  Metabolism [r]: Add brief definition or description 2952
•  Jesus [r]: Add brief definition or description 2950
•  Free statistical software [r]: Add brief definition or description 2886
•  Vasco da Gama [r]: Add brief definition or description 2818
• Kingdom (biology) [r]: Add brief definition or description 2812
•  Dog [r]: Add brief definition or description 2763
•  Infant growth and development [r]: Add brief definition or description 2757
• French fries/Gallery [r]: Add brief definition or description 2605
•  Gasoline [r]: Add brief definition or description 2597
•  Staphylococcus aureus [r]: Add brief definition or description 2582
• Solar system [r]: Add brief definition or description 2558
•  Engineering [r]: Add brief definition or description 2557
•  Psychology [r]: Add brief definition or description 2552
•  Scientific method [r]: Add brief definition or description 2533
•  Cell membrane [r]: Add brief definition or description 2533
•  Gas compressor [r]: Add brief definition or description 2492
• Country/Catalogs [r]: Add brief definition or description 2485
•  Operating system [r]: Add brief definition or description 2448
• M1 Abrams (tank) [r]: Add brief definition or description 2400
•  Napoleon [r]: Add brief definition or description 2377
•  Vietnam War [r]: Add brief definition or description 2374
•  Florence Nightingale [r]: Add brief definition or description 2367
• Law [r]: Add brief definition or description 2360
•  Vacuum distillation [r]: Add brief definition or description 2339
•  Income statement [r]: Add brief definition or description 2332
•  Ancient Celtic music [r]: Add brief definition or description 2331
•  Vertebral subluxation [r]: Add brief definition or description 2286
•  Barbara McClintock [r]: Add brief definition or description 2254
•  Literature [r]: Add brief definition or description 2252
•  Franklin D. Roosevelt [r]: Add brief definition or description 2251
•  Rottweiler [r]: Add brief definition or description 2240
•  Steam [r]: Add brief definition or description 2230
•  Progressive Era [r]: Add brief definition or description 2225
•  Articles of Confederation [r]: Add brief definition or description 2209
•  Hydrocarbons [r]: Add brief definition or description 2194
•  Euro [r]: Add brief definition or description 2128
•  Plato [r]: Add brief definition or description 2084
•  Albert Einstein [r]: Add brief definition or description 2083
•  Refineries [r]: Add brief definition or description 2080
•  Anthropology [r]: Add brief definition or description 2068
•  Greek alphabet [r]: Add brief definition or description 2067
•  Mashup [r]: Add brief definition or description 2066
• Printing press [r]: Add brief definition or description 2061
•  Cell (biology) [r]: Add brief definition or description 2056
• HIV test [r]: Add brief definition or description 2049
•  American Civil War [r]: Add brief definition or description 2041
•  India [r]: Add brief definition or description 2029
•  Fossilization (palaeontology) [r]: Add brief definition or description 2014
•  United Kingdom [r]: Add brief definition or description 2009
•  Henry Ford [r]: Add brief definition or description 1995
•  History of television technology [r]: Add brief definition or description 1989
•  Rectilinear angle (geometry) [r]: Add brief definition or description 1989
•  Petroleum crude oil [r]: Add brief definition or description 1986
•  War of 1812 [r]: Add brief definition or description 1984
•  Federal Emergency Relief Administration [r]: Add brief definition or description 1977
•  Drugs banned from the Olympics [r]: Add brief definition or description 1925
• World War I, poison gas [r]: Add brief definition or description 1922
•  China [r]: Add brief definition or description 1902
•  Vinegar [r]: Add brief definition or description 1885
• Morphology (linguistics) [r]: Add brief definition or description 1873
• Milky Way [r]: Add brief definition or description 1869
•  South Africa [r]: Add brief definition or description 1864
• Scientific method/Draft [r]: Add brief definition or description 1856
•  Industrial Revolution [r]: Add brief definition or description 1854
•  Synapse [r]: Add brief definition or description 1851
• Fermentation (biochemistry) [r]: Add brief definition or description 1841
•  Pseudoscience [r]: Add brief definition or description 1833
•  Programming language [r]: Add brief definition or description 1831
•  Australia [r]: Add brief definition or description 1823
•  Joseph Stalin [r]: Add brief definition or description 1822
•  Snake venom [r]: Add brief definition or description 1807
•  Populist Party [r]: Add brief definition or description 1805
•  England [r]: Add brief definition or description 1803
• Tennis/Catalogs/Famous players [r]: Add brief definition or description 1782
•  Health science [r]: Add brief definition or description 1778
•  Critical views of chiropractic [r]: Add brief definition or description 1774
•  Communication [r]: Add brief definition or description 1772
•  George Washington [r]: Add brief definition or description 1764
•  Union Blockade [r]: Add brief definition or description 1754
•  Microsporum canis [r]: Add brief definition or description 1751
•  Otto von Bismarck [r]: Add brief definition or description 1749
•  Ammonia production [r]: Add brief definition or description 1745
•  Winston Churchill [r]: Add brief definition or description 1718
• U.S. foreign policy/Timelines [r]: Add brief definition or description 1718
•  Taxon [r]: Add brief definition or description 1717
•  Spherical polar coordinates [r]: Add brief definition or description 1698
•  Republicanism, U.S. [r]: Add brief definition or description 1673
•  BMW motorcycles [r]: Add brief definition or description 1670
•  Nuclear chemistry [r]: Add brief definition or description 1670
•  Autism [r]: Add brief definition or description 1668
•  Republican Party (United States), history [r]: Add brief definition or description 1667
•  Death [r]: Add brief definition or description 1667
•  Politics [r]: Add brief definition or description 1666
•  Democratic-Republican Party [r]: Add brief definition or description 1660
•  World War II [r]: Add brief definition or description 1657
•  Homeostasis (biology) [r]: Add brief definition or description 1638
•  Glycolysis [r]: Add brief definition or description 1637
•  William Jennings Bryan [r]: Add brief definition or description 1636
•  Cosmetic surgery [r]: Add brief definition or description 1634
•  Antoine equation [r]: Add brief definition or description 1632
•  Earth's atmosphere [r]: Add brief definition or description 1630
•  Child abuse [r]: Add brief definition or description 1627
•  9-11 Attack [r]: Add brief definition or description 1623
•  Coal mining [r]: Add brief definition or description 1616
•  Led Zeppelin [r]: Add brief definition or description 1601
•  Bacteria [r]: Add brief definition or description 1589
•  Herpes [r]: Add brief definition or description 1586
•  Complex number [r]: Add brief definition or description 1584
•  William Shakespeare [r]: Add brief definition or description 1578
•  Classics [r]: Add brief definition or description 1573
• Linux [r]: Add brief definition or description 1566
•  Oxidative stress [r]: Add brief definition or description 1565
•  Hobby [r]: Add brief definition or description 1559
•  Tony Blair [r]: Add brief definition or description 1559
•  Natural selection [r]: Add brief definition or description 1559
•  Gamma function [r]: Add brief definition or description 1558
• IUPAC nomenclature of organic chemistry [r]: Add brief definition or description 1553
•  Mission San Juan Capistrano [r]: Add brief definition or description 1552
•  Canada [r]: Add brief definition or description 1550
•  Spanish language [r]: Add brief definition or description 1540
•  Potassium in nutrition and human health [r]: Add brief definition or description 1539
• Chiropractic/Draft [r]: Add brief definition or description 1538
•  Bahá'í Faith [r]: Add brief definition or description 1537
•  WPA [r]: Add brief definition or description 1536
•  BBC [r]: Add brief definition or description 1534
•  Great Depression, Canada [r]: Add brief definition or description 1534
•  Unix directory structure [r]: Add brief definition or description 1524
•  Archaeology [r]: Add brief definition or description 1523
•  MediaWiki [r]: Add brief definition or description 1520
•  Hypertension [r]: Add brief definition or description 1515
•  Dwight D. Eisenhower [r]: Add brief definition or description 1510
•  Neanderthal [r]: Add brief definition or description 1498
•  Pedophilia [r]: Add brief definition or description 1497
•  Souders-Brown equation [r]: Add brief definition or description 1490
•  Chester A. Arthur [r]: Add brief definition or description 1489
•  Cat colors [r]: Add brief definition or description 1479
•  Venereal disease [r]: Add brief definition or description 1476
•  C (programming language) [r]: Add brief definition or description 1475
• National Socialism [r]: Add brief definition or description 1469
•  Library science [r]: Add brief definition or description 1463
•  Great Depression [r]: Add brief definition or description 1461
•  Marxist Socialism [r]: Add brief definition or description 1459
•  Roman Empire [r]: Add brief definition or description 1458
•  New Deal Coalition [r]: Add brief definition or description 1457
•  Stroke [r]: Add brief definition or description 1448
•  Andrew Carnegie [r]: Add brief definition or description 1445
•  Nasal fracture [r]: Add brief definition or description 1445
• Pittsburgh, History since 1800 [r]: Add brief definition or description 1441
•  French language [r]: Add brief definition or description 1437
•  Cryptography [r]: Add brief definition or description 1430
• Organic chemistry [r]: Add brief definition or description 1429
•  Human spine [r]: Add brief definition or description 1427
•  Guadalcanal campaign [r]: Add brief definition or description 1427
•  Deconfliction [r]: Add brief definition or description 1425
•  Process flow diagram [r]: Add brief definition or description 1421
•  Horizontal gene transfer in prokaryotes [r]: Add brief definition or description 1419
•  Joan of Arc [r]: Add brief definition or description 1410
•  Jane Addams [r]: Add brief definition or description 1409
•  Intelligent design [r]: Add brief definition or description 1407
•  Antitrust [r]: Add brief definition or description 1403
•  Life expectancy [r]: Add brief definition or description 1392
•  Petroleum naphtha [r]: Add brief definition or description 1388
•  Cat [r]: Add brief definition or description 1385
•  Transgenic plant [r]: Add brief definition or description 1384
•  Heat of vaporization [r]: Add brief definition or description 1379
•  Industrial cooling tower [r]: Add brief definition or description 1379
•  Theory of divine origin of the state [r]: Add brief definition or description 1379
•  Economics [r]: Add brief definition or description 1378
•  Prime number [r]: Add brief definition or description 1378
•  Critical period hypothesis [r]: Add brief definition or description 1365
•  RNA interference [r]: Add brief definition or description 1365
•  Acetone [r]: Add brief definition or description 1361
•  Julius Caesar [r]: Add brief definition or description 1361
•  Brain [r]: Add brief definition or description 1360
•  Japan [r]: Add brief definition or description 1359
•  Crystal Palace [r]: Add brief definition or description 1356
•  Aristotle [r]: Add brief definition or description 1356
•  Human anatomy [r]: Add brief definition or description 1356
•  Michael Faraday [r]: Add brief definition or description 1353
•  Edinburgh [r]: Add brief definition or description 1349
•  Thomas Jefferson [r]: Add brief definition or description 1345
•  Avogadro's number [r]: Add brief definition or description 1337
•  Syllable [r]: Add brief definition or description 1334
• French words in English/Catalogs [r]: Add brief definition or description 1332
•  U.S. House of Representatives [r]: Add brief definition or description 1330
•  Harry S. Truman [r]: Add brief definition or description 1324
•  Augustin-Louis Cauchy [r]: Add brief definition or description 1322
•  René Descartes [r]: Add brief definition or description 1322
•  Pornography [r]: Add brief definition or description 1319
•  Histone [r]: Add brief definition or description 1318
•  Serratia marcescens [r]: Add brief definition or description 1317
•  Osama bin Laden [r]: Add brief definition or description 1317
•  Crusades [r]: Add brief definition or description 1315
•  Kernig's and Brudzinski's signs [r]: Add brief definition or description 1315
•  Reflux (distillation) [r]: Add brief definition or description 1314
•  Hippocrates [r]: Add brief definition or description 1309
•  New Deal [r]: Add brief definition or description 1307
•  Asphalt (petroleum) [r]: Add brief definition or description 1300
•  Central processing unit [r]: Add brief definition or description 1299
•  Second language acquisition [r]: Add brief definition or description 1293
•  Plant breeding [r]: Add brief definition or description 1292
•  First language acquisition [r]: Add brief definition or description 1291
•  Herbert Hoover [r]: Add brief definition or description 1289
• Prohibition of alcohol, United States [r]: Add brief definition or description 1286
•  Conservapedia [r]: Add brief definition or description 1286
•  Pilus [r]: Add brief definition or description 1285