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Arena (British TV series)
Arena is the BBC's long-running arts documentary strand, first broadcast on BBC2 on 1 October 1975, created by Humphrey Burton and later edited by Alan Yentob and Anthony Wall; known for the message-in-a-bottle titles and over 600 award-winning films.
Arena (simulation software)
Arena is a commercial discrete-event simulation environment sold by Rockwell Automation, in which users model manufacturing, logistics, and warehouse systems by dragging flowchart modules rather than writing code.
Arena AufSchalke
Arena AufSchalke, the VELTINS-Arena, is FC Schalke 04's multifunctional stadium in Gelsenkirchen, opened 2001, with a retractable roof and 11,000-tonne sliding pitch, capacity 62,278 for football and up to 80,000 for concerts.
Arena Breakout (暗区突围)
Arena Breakout (暗区突围) is a free-to-play mobile extraction shooter by Tencent's MoreFun Studios, published by Level Infinite, released worldwide July 14, 2023 on iOS and Android; players loot, fight, and must extract alive to keep gear.
Arena Colles
Arena Colles is a 580-km-wide IAU-named hills (colles) region on Mars at 24.63N, 82.93E in the Syrtis Major quadrangle, on the Terra Sabaea to Utopia Planitia margin, notable for pitted cones and 13 candidate maar craters implying subsurface water or ice at 0.6 to 4 km depth.
Arena de São Paulo
Arena de São Paulo, also known as Arena Corinthians or Neo Química Arena, is Corinthians' football stadium in São Paulo, Brazil, which opened the 2014 World Cup.
Arena Dorsum
Arena Dorsum is a ridge on Mars, IAU-approved in 1976 as a classical albedo feature name, about 360-372 km across near 12.65°N, 68.90°E in quadrangle MC-13; distinct from Aram Dorsum.
Arena Football League
Arena Football League (AFL), American indoor football league founded by Jim Foster, played 1987-2019 with relaunches in 2010 and 2024; eight-man game on a 50-yard field, ArenaBowl champions, repeated bankruptcies.
Arena Football League (2024)
The Arena Football League of 2024 was a professional arena football league that played one season as a revival of the original AFL, which went bankrupt in 2019.
Arena Football One
Arena Football One (AF1) is a professional arena football league based in Nashville, Tennessee, formed September 4, 2024 by teams leaving the relaunched Arena Football League; play began 2025 under commissioner Jeff Fisher with rebound nets, eight-man sides, and the Arena Crown championship.
Arena Holdings (investment firm)
Arena Holdings is a New York investment firm founded in 2016 by Feroz Dewan, formerly head of public equities at Tiger Global, focused on technology companies.
Arena Khimki
Arena Khimki (Арена Химки), football stadium in Khimki, Moscow Oblast, Russia; opened 20 September 2008 on the Novator stadium site; 18,636 seats; home of FC Khimki, Dynamo Moscow, and CSKA Moscow; 2009 Russian Cup final venue.
Arena Națională
Arena Națională, also known as Lia Manoliu Arena, is Romania's national football stadium in Bucharest, built on the site of the old national stadium and opened in 2011 with about 55,000 seats.
Arena of Valor
Arena of Valor (AoV, 傳說對決), formerly Strike of Kings, is Tencent TiMi Studio Group's 5v5 mobile MOBA, the international version of Honor of Kings, released in Taiwan in 2016 by Garena, with 200 million registered players and Asian Games and Esports World Cup esports.
Arena polo
Arena polo is the enclosed-arena, three-players-per-side variant of polo, played on dirt or sand with boards in play and a larger, softer ball than outdoors.
Arena rock
Arena rock, also called anthem rock or stadium rock, is a style of hard rock of the 1970s and 1980s built for large venues, with acts such as Journey, Boston, and Queen.
Arena-Hard
Arena-Hard is an automatic benchmark for instruction-tuned chat LLMs, released by LMSYS in April 2024, comparing each model head-to-head against a baseline using 500 challenging prompts.
Arenal gas field
The Arenal gas field is a natural gas block in northern Tierra del Fuego, Chile, operated by Enap and the region's main source of tight gas.
Arenal Volcano
Arenal Volcano, also known as Volcán Arenal, is an andesitic stratovolcano in northwestern Costa Rica near La Fortuna, known for its 42-year eruption from 1968 to 2010.
Arenaria (animal)
Arenaria Brisson, 1760, the turnstone genus of shorebirds (Scolopacidae), contains two species: the cosmopolitan Ruddy Turnstone (Arenaria interpres) and the Alaskan-endemic Black Turnstone (A. melanocephala), named for flipping stones while foraging.
Arenaria (plant)
Arenaria (Caryophyllaceae), sandworts, a genus of small mat-forming herbs with 5-merous white or pink flowers and toothed capsules; about 180 species in temperate and alpine Northern Hemisphere habitats, taxonomy reshaped by molecular phylogenetics.
Arenaviridae
Arenaviridae (arenaviruses): family of enveloped, ambisense, segmented negative-sense RNA viruses (~10.5 kb, S/M/L segments) in Bunyaviricetes; rodent-borne; includes Lassa, Junin, Machupo viruses causing viral hemorrhagic fevers.
Arenavirus disease
Arenavirus disease: illness from rodent-borne Arenaviridae viruses, chiefly Lassa fever in West Africa plus South American hemorrhagic fevers (Junin, Machupo, Guanarito, Sabia, Chapare) and Lujo virus; fever, hemorrhage, deafness, ribavirin, no licensed vaccine.
Arend Bouhuys
Arend Bouhuys (1925–1979) was a Dutch-born pulmonary physician and respiratory physiologist who directed Yale's Lung Research Center and helped establish byssinosis, or brown lung, as a recognized occupational disease in the United States.
Arend Heyting
Arend Heyting (1898–1980) was a Dutch mathematician and logician at the University of Amsterdam who gave Brouwer's intuitionism its first systematic formalization in 1930 and wrote Intuitionism: An Introduction.
Arend Sidow
Arend Sidow is a molecular biologist and computational genomicist, Professor of Pathology and of Genetics at Stanford University, known for the GERP method and for applying phylogenetics to cancer evolution.
Arenda L. W. Allen
Arenda Lauretta Wright Allen is an American jurist serving as a United States district judge for the Eastern District of Virginia since 2011, appointed by President Barack Obama.
Arene oxide
An arene oxide, also called an arene epoxide, is an epoxide formed by adding oxygen across an arene ring's double bond, a labile intermediate in aromatic metabolism.
Arene radical cation
An arene radical cation is the one-electron-oxidized form of an arene or heteroarene, carrying a positive charge and unpaired electron; it reacts readily with nucleophiles in photocatalytic C–H functionalization.
Arene radical cation C–H functionalization
Arene radical cation C–H functionalization is an organic synthesis method in which an arene radical cation, formed by single-electron oxidation, lets a nucleophile replace an aromatic C–H bond directly.