All articles starting with R
22,461 articles
Roper Technologies
Roper Technologies is a diversified technology company holding 29 niche-leading businesses, mostly vertical market software, with 2025 revenue of $7.9 billion and free cash flow of $2.5 billion.
Roper v. Simmons
Roper v. Simmons, 543 U.S. 551 (2005): 5–4 Supreme Court decision abolishing the death penalty for offenders under 18 at the time of the crime, overturning Stanford v. Kentucky and grounding Graham, Miller, and Montgomery.
Rophnan
Rophnan, also known as Rophnan Nuri, is an Ethiopian DJ, singer-songwriter, and producer from Addis Ababa whose 2018 debut Reflection was the first electronic music LP in Ethiopia.
Ropinirole
Ropinirole (Requip) is a non-ergoline dopamine D2/D3 agonist approved in 1997 for Parkinson's disease and moderate-to-severe primary restless legs syndrome, with a 6-hour half-life, CYP1A2 metabolism, and warnings for somnolence, impulse control disorders, and RLS augmentation.
Ropivacaine
Ropivacaine, sold as Naropin, is a long-acting amide-type local anesthetic used for surgical anesthesia and acute pain management by epidural and nerve block, first approved in 1995.
Roppongi (六本木)
Roppongi (六本木, "six trees") is a Minato City district in central Tokyo known for embassies, the Art Triangle museums, Roppongi Hills (opened 2003), Tokyo Midtown (2007), and dense nightlife.
Ropucha-class landing ship
The Ropucha class (Project 775) is a class of 28 large tank landing ships built in Gdańsk, Poland, for the Soviet Navy from 1974 and operated mainly by Russia.
Roquan Smith
Roquan Smith, Baltimore Ravens inside linebacker (formerly Chicago Bears), Georgia product, 2018 8th overall pick, 2022 first-team All-Pro, five-year $100M Ravens extension, 1,177 career tackles through 2026.
Roque
Roque: American walled-court variant of croquet, name coined 1899 by Samuel Crosby from "croquet". Ten arches, two stakes, 60x30 ft court; Olympic men's singles once, St. Louis 1904, all-American medals.
Roque Dalton
Roque Dalton (Roque Dalton García) was a Salvadoran poet and revolutionary, a central figure of modern Salvadoran literature, executed by his own comrades in 1975.
Roque Sáenz Peña
Roque Sáenz Peña was an Argentine lawyer and politician, president of Argentina from 1910 until his death in office in 1914, who promoted secret and compulsory voting.
Roque Santa Cruz
Roque Santa Cruz (born 1981, Asunción) is a Paraguayan striker, Bayern Munich's 2001 Champions League winner, Paraguay's record goalscorer, and still active with Nacional at 44.
Roquefort
Roquefort: French blue-veined PDO cheese from raw Lacaune sheep's milk, ripened in the Combalou caves at Roquefort-sur-Soulzon with Penicillium roqueforti; France's first cheese appellation (1925), distinct mold population from all other blue cheeses.
Roquefort-sur-Soulzon
Roquefort-sur-Soulzon is a small commune in Aveyron, Occitanie, France (INSEE 12203), the sole authorized maturing zone for Roquefort AOP cheese, aged in Combalou caves; about 500 residents, mayor Yannick Rouquette.
Roquemaillère Roman Quarry
The Roquemaillère Roman Quarry (Carrière romaine de Roquemaillère) is a Roman-era limestone quarry northwest of Nîmes whose hard stone supplied the Tour Magne and the Arènes de Nîmes.
Roquetas de Mar
Roquetas de Mar, municipality in Almería province, Andalusia, Spain, on the Gulf of Almería. Former fishing village, now a city of about 114,000 people living from greenhouse agriculture, tourism, and fishing.
Roquin
Roquin (Roquin-1/RC3H1 and Roquin-2/RC3H2) are RNA-binding E3-ligase-domain proteins that repress immune mRNAs such as ICOS by binding CDE/ADE stem-loops via the ROQ domain; the sanroque M199R mutation causes lupus-like autoimmunity in mice.
Roraima
Roraima, Brazil's northernmost state, capital Boa Vista; a federal territory until the 1988 Constitution made it a state. Least populous state, borders Venezuela and Guyana, main Venezuelan migration corridor.
RORC
RORC (RAR-related orphan receptor C) is a human gene encoding RORγ, a nuclear receptor; its thymus-specific isoform RORγt is the lineage-defining transcription factor of Th17 cells.
Rorion Gracie
Rorion Gracie, eldest son of Helio Gracie, brought Gracie Jiu-Jitsu to the United States, ran the Gracie Challenge, and co-founded the UFC, first held November 12, 1993 in Denver.
Rorippa
Rorippa is a genus of 88 accepted species of often aquatic herbs in the mustard family, known as yellowcresses, first described by Scopoli in 1760.
Roronoa Zoro (ロロノア・ゾロ)
"Pirate Hunter" Roronoa Zoro (ロロノア・ゾロ) is a fictional swordsman in Eiichiro Oda's One Piece, the first crewmate to join Luffy's Straw Hat Pirates and wielder of a three-sword style.
Røros Mining Town and the Circumference
Røros Mining Town and the Circumference (Røros bergstad og Circumferensen), Norwegian UNESCO World Heritage Site inscribed 1980, extended 2010: wooden mining town and 45.2 km radius privilege area of Røros Copper Works, 1644-1977.
Rorschach (character)
Rorschach, real name Walter Joseph Kovacs, is the inkblot-masked vigilante of Alan Moore and Dave Gibbons' Watchmen (1986), adapted from Charlton's The Question, killed by Doctor Manhattan, and later revived in DC's 2020 maxiseries.
Rorschach (film)
Rorschach (റോഷാക്ക്) is a 2022 Malayalam psychological thriller directed by Nisam Basheer, written by Sameer Abdul, starring and produced by Mammootty as Luke Antony, released 7 October 2022. Distinct from the Watchmen character and the inkblot test.
Rorschach test
Rorschach test, also called the inkblot test (Psychodiagnostik, 1921), a projective personality assessment using ten standard inkblots designed by Hermann Rorschach, scored by systems such as Exner's Comprehensive System and R-PAS, and long contested for validity.
Rory Albanese
Rory Albanese (born 1977) is an American comedian, writer, and 9-time Emmy-winning producer, Daily Show production assistant to executive producer 1999-2013, then The Nightly Show EP and Jimmy Kimmel Live! supervising producer.
Rory Best
Rory Best (born 1982, Craigavon) is a retired Irish rugby union hooker who captained Ulster and Ireland, won 124 Ireland caps, four Six Nations titles including the 2018 Grand Slam, and later became Ulster Rugby's General Manager.
Rory Bremner
Rory Bremner (born 1961) is a Scottish impressionist and political satirist, star of Rory Bremner... Who Else? and Bremner, Bird and Fortune with John Bird and John Fortune, a multi-BAFTA winner who has mimicked British prime ministers from Major to Blair.
Rory Burns
Rory Joseph Burns (born 1990) is an English left-handed opening batter and Surrey captain who played 32 Tests for England, 1,789 runs at 30.32, with a maiden century 125 in the 2019 Ashes.