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All articles starting with P

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Poranica Valles

Poranica Valles: a 550-km-wide named channel system (vallis) on Venus at 21°S, 178.5°E, IAU-approved in 1997; name is the Slovenian word for Venus, changed from Poranica Vallis.

Porbandar (પોરબંદર)

Porbandar (પોરબંદર), also called Sudamapuri, is a coastal city and district in Saurashtra, Gujarat, India; birthplace of Mahatma Gandhi, an all-weather 50,000 DWT port, fishing hub, and site of a planned 2,000-acre shipbuilding cluster.

Porbeagle

The porbeagle, also known as Lamna nasus, is a shark of cold North Atlantic and Southern Hemisphere waters that can hold its body temperature well above the surrounding water.

Porc-Epic Cave

Porc-Epic Cave is a Middle Stone Age site near Dire Dawa, Ethiopia, dated to about 50,000 to 39,000 years ago and known for its large ochre assemblage.

Porcelain

Porcelain, also known as fine china, is a hard, white, translucent ceramic made mainly from kaolin clay and fired above 1250 °C, first made in Tang dynasty China and reinvented in Europe by 1710.

Porcelain crab

Porcelain crabs (Porcellanidae) are crab-like marine decapods of the infraorder Anomura, not true crabs; tropical, intertidal filter feeders that escape predators by autotomy, with carcinization arising independently in their lineage.

Porcelain insulator

A porcelain insulator is a ceramic electrical insulator made of vitrified porcelain, used to support and isolate overhead power line conductors and substations; wet-process designs dominated high-voltage use after 1896.

Porcelain telegraph insulator

A porcelain telegraph insulator is a ceramic fitting that supports and electrically isolates telegraph wire from poles, first used in 1849 and dominant from around 1915.

Porcelain Tower of Nanjing (大报恩寺琉璃塔)

The Porcelain Tower of Nanjing (大报恩寺琉璃塔) was a nine-story glazed Buddhist pagoda at Nanjing's Great Bao'en Temple, built in the Ming dynasty and destroyed in 1856.

Porcellian Club

Porcellian Club: Harvard's oldest all-male final club, founded 1791 as the Pig Club by Joseph McKean, housed at 1324 Massachusetts Avenue; members included Theodore Roosevelt and Oliver Wendell Holmes; publicly contested Harvard's 2016-2017 final club sanctions.

Porch

A porch, also called a sit-out, is a roofed, open-sided shelter projecting from a building's entrance; in America it peaked in the nineteenth century as an outdoor parlor.

Porch.com, Inc.

Porch.com, Inc., also known as Porch Group, is a Seattle-based vertical software and homeowners-insurance platform founded by Matt Ehrlichman around 2012, serving home inspectors and movers.

Porcher Island

Porcher Island, a 531 sq km island in Hecate Strait off the Skeena River mouth southwest of Prince Rupert, British Columbia; Gitxaala (Kitkatla) territory with communities Oona River, Hunts Inlet, and Humpback Bay, historic gold mines, and the Gitxaala Nii Luutiksm/Kitkatla Conservancy.

Porchetta

Porchetta is an Italian whole deboned pig or suckling pig seasoned with salt, pepper, garlic, rosemary, or wild fennel, tied and roasted whole; a central Italian street food, with Porchetta di Ariccia holding EU PGI status since 2011.

Porcine cysticercosis

Porcine cysticercosis: pig infection with Taenia solium larvae in muscle and CNS, acquired from human tapeworm carriers' eggs; causes 20-60% production losses, diagnosed by tongue palpation, meat inspection, or carcass dissection, controlled by TSOL18 vaccination plus oxfendazole.

Porcine epidemic diarrhoea

Porcine epidemic diarrhea (PED), also called porcine epidemic diarrhea syndrome, is a non-zoonotic viral pig disease caused by a coronavirus, first reported in 1971 and most lethal in newborn piglets.

Porcine reproductive and respiratory syndrome

Porcine reproductive and respiratory syndrome (PRRS), also called blue ear disease, is a viral disease of pigs causing reproductive failure in sows and respiratory disease in young pigs.

Porco Rosso (紅の豚)

Porco Rosso (紅の豚, Kurenai no Buta) is a 1992 Studio Ghibli anime film written and directed by Hayao Miyazaki, based on his manga Hikōtei Jidai, about a pig-faced WWI ace hunting air pirates in the Adriatic; released July 18, 1992 by Toho.

Porcupine

A porcupine is a large rodent covered in sharp quills, modified hairs with barbed tips that detach into predators; two separate families occur in the Old and New Worlds.

Porcupine (site)

Porcupine House (豪猪馆) is a porcupine exhibit building and tourist attraction at Linyi Zoological and Botanical Garden, Linyi, Shandong, China, at 34.98815°N, 118.54124°E, near the nutria and red panda houses.

Porcupine Abyssal Plain

Porcupine Abyssal Plain: flat abyssal seafloor in the Northeast Atlantic southwest of Ireland, about 4,850 m deep, home since 1985 to the PAP-SO ocean observatory, one of two abyssal long-term time-series sites worldwide.

Porcupine Mountains

Porcupine Mountains ("the Porkies") are a 2-billion-year-old range on Lake Superior in Michigan's Upper Peninsula, protected since 1945 in the state's largest park, about 60,000 acres with 35,000 acres of virgin northern hardwood forest.

Porcupine Tree

Porcupine Tree is an English progressive rock band formed by Steven Wilson in 1987, first as a joke fictitious 1970s space-rock act. Known for In Absentia (2002) and Fear of a Blank Planet (2007), it reunited in 2022 for Closure/Continuation.

Porcupine Tree discography

The Porcupine Tree discography covers the English rock band's eleven studio albums released between 1992 and 2022, from On the Sunday of Life… to Closure/Continuation.

Pordenone

Pordenone (Portus Naonis) is a city and provincial capital in Friuli Venezia Giulia, Italy: Habsburg from 1276, Venetian until 1797, Italian since 1866, known for frescoed arcades, Pordenonelegge, the silent film festival, and Italian Capital of Culture 2027.

Pordonnium

Pordonnium (Pordonion), ancient road station in Commagene on the Tabula Peutingeriana between Capriandas and Perre, on the Comana Cappadocia–Samosata road; usually identified with Adıyaman (Hisn-i Mansur), Turkey.

Pore cell

Pore cell: a unicellular tube cell in the Caenorhabditis elegans excretory system, connecting the excretory duct to the exterior. A seamed tube sealed by an autocellular junction; the G1 pore is replaced by G2.p during larval development.

Pore network model

A pore network model (PNM) is a simulation method representing the void space of a porous medium as pores connected by throats, used in petroleum engineering.

Pore-C

Pore-C is a chromatin conformation capture method combining proximity ligation with Oxford Nanopore long-read sequencing to read multi-way chromatin contacts directly, introduced in Nature Biotechnology in 2022.

Pore-scale imaging

Pore-scale imaging is the microscopy and tomography techniques that resolve individual pores in rocks, chiefly X-ray CT, so pore geometry can be tied to fluid flow and transport.