All articles starting with P
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Potochnoye Oil Field
Potochnoye Oil Field (Поточное месторождение) is a large oil field in the Khanty-Mansi Autonomous Okrug, Western Siberia, discovered in 1974 and operated by LUKOIL-Western Siberia.
Potocki-Shaffer syndrome
Potocki-Shaffer syndrome (proximal 11p deletion syndrome, P11pDS, OMIM 601224) is a rare contiguous gene deletion syndrome at chromosome 11p11.2 causing parietal foramina, multiple exostoses, intellectual disability, and craniofacial anomalies via EXT2, ALX4, and PHF21A haploinsufficiency.
Potomac Edison
The Potomac Edison Company is an investor-owned electric utility headquartered in Williamsport, Maryland, serving about 295,000 customers in western Maryland and 155,000 in West Virginia's Eastern Panhandle as a subsidiary of FirstEnergy.
Potomac Electric Power Company
The Potomac Electric Power Company (Pepco) is an electric utility serving Washington, D.C., and Montgomery and Prince George's counties in Maryland, incorporated in 1896 and owned by Exelon.
Potomac River
The Potomac River is a 400-mile mid-Atlantic river flowing to Chesapeake Bay, supplying 80 percent of Washington, DC's drinking water, site of the 2026 Potomac Interceptor sewage spill.
Potomac, Maryland
Potomac, Maryland: an unincorporated census-designated place in Montgomery County along the Potomac River near Great Falls and the C&O Canal; 47,018 residents (2020), median household income $236,675, governed by the 2002 Potomac Subregion Master Plan.
Potoo
Potoos (Nyctibiidae) are seven nocturnal Neotropical bird species in the genera Nyctibius and Phyllaemulor, related to nightjars, famous for camouflaging as broken branches and hunting insects at night.
Potoooooooo
Potoooooooo, or Pot-8-Os (1773–November 1800), an 18th-century British Thoroughbred racehorse and sire by Eclipse; won 34 races, sired 172 winners including Derby winner Waxy, and got his name from a stable boy's misspelling of "Potatoes".
Potorous
Potorous is a genus of small potoroid marsupials known as potoroos, rat-kangaroos native to Australia that hop on their back feet and dig mainly for underground fungi.
Potosí
Potosí, Bolivia: colonial silver city founded 1545 at Cerro Rico, world's largest silver deposit; UNESCO site 1987, in danger since 2014; mita labor, Casa de la Moneda, ongoing mine closures above 4,400 m.
Potosí mint fraud
The Potosí mint fraud was a 1640s scheme in which officials at the royal mint in Potosí, Peru, struck silver coins containing far less silver than the law required.
Potosí mita
The Potosí mita was a Spanish colonial forced-labor system instituted by Viceroy Francisco de Toledo in 1573, drafting Indigenous men from highland provinces to work Potosí's silver mines.
Potpourri
Potpourri (pot-pourri), from French for "rotten pot", is a fragrant mix of dried flower petals, herbs, spices, fixatives and essential oils used to scent rooms; also any medley or miscellany.
Potsdam
Potsdam, capital of Brandenburg, Germany, southwest of Berlin; first documented 993 as Poztupimi. Prussian residence city with UNESCO-listed Sanssouci palaces and parks, site of the 1945 Potsdam Conference, about 188,000 residents on the Havel lakes.
Potsdam Agreement
Potsdam Agreement (Potsdam Protocol, August 2, 1945): US-UK-Soviet principles for occupied Germany from the July 17–August 2, 1945 Potsdam Conference of Stalin, Truman, Churchill/Attlee: demilitarization, denazification, four-zone Control Council, reparations, expulsions.
Potsdam Conference
The Potsdam Conference (Potsdamer Konferenz) brought Truman, Stalin, and Churchill together at Cecilienhof palace from July 17 to August 2, 1945, to shape postwar Europe.
Potsdam Declaration
The Potsdam Declaration (ポツダム宣言), also the Potsdam Proclamation, was a 13-article ultimatum issued July 26, 1945 by Truman, Churchill, and Chiang Kai-shek demanding Japan's unconditional surrender of armed forces, limiting sovereignty to the home islands, and incorporating the Cairo Declaration.
Potsdam Institute for Climate Impact Research
Potsdam Institute for Climate Impact Research (PIK, Potsdam-Institut für Klimafolgenforschung): non-profit Leibniz research institute founded 1992 in Potsdam, Germany; studies climate impacts, Earth system analysis, and integrated assessment modeling, advising the German government.
Potsdamer Platz
Potsdamer Platz, Berlin square and district named for the Potsdamer Tor; 1920s Europe's busiest junction with its first traffic light, cut by the Berlin Wall, rebuilt from 1994 by Renzo Piano, Helmut Jahn, and others.
Potshot
Potshot is a Japanese ska-punk band formed in Tokyo in 1995 by vocalist RYOJI, among Japan's earliest ska-punk bands, charting on Oricon before disbanding in 2005.
Potsy Ponciroli
Potsy Ponciroli, American director, writer, and producer of Old Henry (2021), Greedy People (2024), and the near-dialogue-free Motor City (2025); creator of Still the King; directing The Rescue (2027) and writing The Goonies 2.
Pott's disease
Pott's disease (spinal tuberculosis, tuberculous spondylitis) is TB of the vertebrae spread from the lungs, causing vertebral collapse, kyphosis, cold abscesses, and paraplegia; treated with multidrug chemotherapy and selected surgery.
Pottawatomie massacre
Pottawatomie massacre: night of May 24–25, 1856, killing of five proslavery settlers near Pottawatomie Creek, Franklin County, Kansas Territory, by John Brown, four sons, a son-in-law, and two others with broadswords, in retaliation for the Sack of Lawrence during Bleeding Kansas.
Potter and mason wasps and humans
Potter and mason wasps are solitary wasps that build small mud nests on walls and window frames, stock them with caterpillars, and rarely sting, helping control garden pests.
Potter County, Texas, United States
Potter County, Texas, a Panhandle county with county seat Amarillo, created 1876 and named for Robert Potter; 118,525 residents in 2020, declining to an estimated 114,453 in 2025.
Potter Puppet Pals
Potter Puppet Pals is Neil Cicierega's Harry Potter parody web series, begun as Newgrounds Flash animation in 2003 and continued as live-action puppets on YouTube from 2006; "The Mysterious Ticking Noise" (2007) won a YouTube Video Award and passed 190 million views.
Potter Stewart
Potter Stewart (1915–1985), U.S. Supreme Court associate justice 1958–1981, Eisenhower recess appointee from Ohio, Sixth Circuit judge, centrist swing vote, author of "I know it when I see it" in Jacobellis v. Ohio.
Potter wasp
Potter wasps, also known as eumenine wasps, are solitary wasps of the subfamily Eumeninae, named for the vase-shaped mud nests some build and stock with paralyzed caterpillars.
Potter's field
Potter's field: a public burial ground for strangers and the friendless poor, named from Matthew 27:7. Hart Island, NYC's tenth and current potter's field since 1869, holds an estimated 750,000 to 1,000,000 burials.
Potter's wheel
Potter's wheel: rotating horizontal disk for hand-shaping clay (throwing). Invented 5th millennium BC Near East; simple, kick, belt-drive and direct-drive electric types; speeds 30–240 rpm by stage.