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All articles starting with P

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Pure mitochondrial myopathy

Pure mitochondrial myopathy is a rare mitochondrial disorder affecting only skeletal muscle, causing progressive limb weakness, muscle wasting, and eye muscle problems such as ptosis.

Pure Noise Records

Pure Noise Records is an American independent record label founded by Jake Round in 2008 and based in Nashville, Tennessee, focused on punk rock, pop punk, emo, hardcore, and metalcore.

Pure Prairie League

Pure Prairie League: American country-rock band formed 1970 in Columbus, Ohio, named after a temperance group in the film Dodge City; known for 'Amie' (1975), gold album Bustin' Out, and Vince Gill's tenure before his solo country career.

Pure pursuit

Pure pursuit is a geometric path-tracking algorithm that steers a vehicle toward a lookahead point on a reference path, widely used for lateral control in autonomous vehicles.

Pure Pwnage

Pure Pwnage is a Canadian mockumentary web series launched in 2004 about pro-gamer Jeremy, filmed by brother Kyle. It ran two web seasons, became a 2010 Showcase TV series, and returned as Teh Pwnage.

Pure state

A pure state is a quantum state completely specified by a single state vector, corresponding to a rank-one density operator, as opposed to a mixed state.

Pure Storage

Pure Storage, renamed Everpure, Inc. in 2026, was an American company in Santa Clara, California, that built all-flash enterprise storage systems like FlashArray and FlashBlade.

PURE study

PURE (Prospective Urban Rural Epidemiology) study: international McMaster/PHRI prospective cohort of ~225,000 adults aged 35–70 in 27 countries, studying societal and behavioral determinants of cardiovascular disease, diet, and mortality, with noted dietary and sodium methodology criticisms.

Pure Surfshop

Pure Surfshop (Pure Surfshop OG) is an Austrian water-sports shop in Rankweil, Vorarlberg, run by Michael Mayer and Andreas Portenschlager since 2014, selling SUP, wingfoil, kite, windsurf, and pumpfoil gear online and in store.

Pure Tamil movement

The Pure Tamil movement (Tamil: தனித்தமிழ் இயக்கம், Tanittamil Iyakkam) is a purist movement founded by Maraimalai Adigal in 1916 to rid Tamil of Sanskrit loanwords.

Pure tone audiometry

Pure tone audiometry is a behavioral hearing test that measures the softest pure tones a person detects at standard frequencies, plotted as an audiogram to determine the type, degree, and configuration of hearing loss.

PURE-01 trial

PURE-01 (NCT02736266) is a single-arm phase 2 trial of neoadjuvant pembrolizumab before radical cystectomy in muscle-invasive bladder cancer (San Raffaele, Milan); 155 patients, 42% pT0, 5-year EFS 68% and OS 77%.

Pure-jump Lévy process

A pure-jump Lévy process is a Lévy process whose Gaussian (Brownian) component is absent, so all randomness enters through jumps; examples include the variance gamma, NIG, and CGMY processes.

Pure-shift NMR

Pure-shift NMR, also called broadband homonuclear decoupling, is a family of proton NMR experiments that removes J couplings so each multiplet becomes a single line, first demonstrated by Zangger and Sterk in 1997.

Purebred

Purebred: a domestic animal of documented single-breed ancestry, registered with its parents and grandparents in a breed herd book. Rooted in 18th-century British pedigree breeding; basis of stud books, inbreeding management, and livestock conservation.

PuReCOVID study

PuRe-COVID (PuReCOVID): a Belgian pragmatic randomized trial of 12-week primary care pulmonary rehabilitation in long COVID (76 patients, +39 m 6MWD), distinct from a University of Parma observational registry, NCT07046442.

PureCycle Technologies, Inc.

PureCycle Technologies, Inc., formed in 2015 as Advanced Resin Technologies, LLC, is an American company recycling polypropylene waste into virgin-like resin using Procter & Gamble's licensed process.

Pureflow Pt. 1

Pureflow Pt. 1 (르세라핌 'PUREFLOW' pt.1) is LE SSERAFIM's second studio album, released May 22, 2026 via Source Music; 11 tracks, 27 minutes, title track BOOMPALA sampling "Macarena," debuted at No. 10 on the Billboard 200.

Pureflow Tour

Pureflow Tour (퓨어플로) is LE SSERAFIM's second world tour (2026), organized by Source Music and named after album 'PUREFLOW' pt.1; 34 shows in 24 cities, distinct from the group's 2025 EASY CRAZY HOT tour.

PureHealth

PureHealth is an Abu Dhabi-based healthcare group, the largest healthcare provider in the United Arab Emirates, operating hospitals, clinics, laboratories, and insurance services since its founding in 2006.

Pureora Forest Park

Pureora Forest Park, northern King Country, New Zealand: a 78,000 ha podocarp forest between the Rangitoto and Hauhungaroa ranges, saved from logging by 1978 protests, home to kōkako, rimu and the Pouakani Tōtara, and the Timber Trail.

Purépecha

Purépecha (P'urhépecha, historically Tarascan): an indigenous people, language isolate, and Late Postclassic empire of Michoacán, Mexico, founded late 14th–early 15th century at Lake Pátzcuaro, capital Tzintzuntzan, never defeated by the Aztecs and known for state-run metallurgy.

Purépecha oral literature

Purépecha oral literature is the body of narratives and songs transmitted by voice among the P'urhépecha people of Michoacán, Mexico, first recorded in writing in the 1539 Relación de Michoacán.

PUREX

PUREX (plutonium uranium extraction) is a liquid–liquid extraction process that separates uranium and plutonium from spent nuclear fuel using tributyl phosphate, accounting for over 95% of global commercial reprocessing capacity.

PUREX process

The PUREX process, developed in the early 1950s, is a solvent extraction method that recovers uranium and plutonium from spent nuclear fuel using tributyl phosphate.

Purgatorio

Purgatorio, second canticle of Dante's Divine Comedy: the pilgrim climbs seven terraces of Mount Purgatory, shedding seven P's, to reach Eden and reunite with Beatrice; circulated 1315-16, written in terza rima.

Purgatorius

Purgatorius, named by Van Valen and Sloan in 1965, is the oldest known plesiadapiform (stem primate) genus, from earliest Paleocene Montana and Saskatchewan about 66 million years ago; tiny, arboreal, insectivorous, known mostly from teeth plus 2015 ankle bones.

Purgatory

Purgatory is the Catholic doctrine of a final purification after death for souls already assured of salvation but imperfectly purified, formally defined at the Councils of Florence and Trent and entirely distinct from hell.

Purgatory (2026 film)

Purgatory (2026 film): Canadian-American coming-of-age dramedy, Lindsay Lanzillotta's directorial debut, written by Christine Speer. 1980s-set story of 13-year-old Beatrice Gravel facing her parents' divorce; premiered at TIFF 2026 Discovery.

Purge

Purge: the nonroutine removal of officials from power by a supreme leader, especially in authoritarian regimes and military or cabinet elites; distinguished from routine turnover, ordinary dismissal, and repression of outside opposition.