All articles starting with R
22,461 articles
Rolando Galman
Rolando Galman, Filipino man killed at Manila airport August 21, 1983, moments after Ninoy Aquino; military named him the communist-hired assassin, but the Agrava Board and 1990 retrial treated him as a scapegoat victim.
Rolando McClain
Rolando McClain (born 1989, Decatur, Alabama) is a former NFL linebacker, 2009 Butkus Award winner and Alabama All-American, drafted eighth overall by the Raiders in 2010, who retired at 23 and last played for Dallas in 2015.
Rolando Romero
Rolando "Rolly" Romero (Rolando Florencio Romero Moreno), American boxer born 1995 in Las Vegas; two-division WBA champion (super lightweight 2023, welterweight 2025 after beating Ryan Garcia); record 17-3, 13 KOs; lost title to Teofimo Lopez in 2026.
Rolapitant
Rolapitant (Varubi), an oral NK1 receptor antagonist approved by the FDA in 2015, prevents delayed chemotherapy-induced nausea and vomiting; single 180 mg dose, ~176-hour half-life, no CYP3A4 inhibition, moderate CYP2D6 inhibitor.
Rolditamig deuderuxtecan
Rolditamig deuderuxtecan (TQB2102) is a HER2 bispecific antibody-drug conjugate from Chia Tai Tianqing (Sino Biopharmaceutical), targeting HER2 ECD II and ECD IV with a cleavable linker and topoisomerase I inhibitor payload; licensed exclusively to Cipla for India, South Africa, and five other emerging markets in August 2026.
Role
Role (social role): the expected behavior attached to a social position or status in sociology and social psychology. Also gender roles, role theory, social role theory (Eagly, Wood). Defined by Banton and Merton, learned via socialization, and measurably shaping labor-market outcomes.
Role model
Role model: exemplar whose behavior others observe and emulate, a term coined by Robert K. Merton in reference group theory. Distinguished from mentors (no prior relationship required); effectiveness depends on competence, similarity, and attainability.
Role Model Hermit
Role Model Hermit is the 2026 debut album by London trio mary in the junkyard, released on AMF Records. Produced by Oli Bayston, the 11-track art-rock, folk and post-punk record scored 82/100 from critics and drew praise for its folklore-based storytelling.
Role Models
Role Models (2008) is a David Wain comedy starring Paul Rudd and Seann William Scott as energy drink salesmen sentenced to 150 hours mentoring kids, released by Universal, grossing $67.3M in the US.
Role of Christianity in civilization
Role of Christianity in civilization: Christianity's influence on politics, law, learning, charity, and colonial expansion from Constantine's conversion and medieval Christendom to today's global-south-centered faith, with debates over its benefits and harms.
Role of zooxanthellae in coral calcification
Zooxanthellae are photosynthetic algae living inside coral cells whose translocated photosynthetic products help corals build their aragonite skeletons, with calcification running about 3 times faster in light than in dark.
Role prompting
Role prompting, also called persona prompting, is a prompt-engineering technique that instructs a large language model to adopt a role such as an expert to steer its tone and behavior.
Role reversal (psychotherapy)
Role reversal is a psychodrama technique in which a client temporarily enacts another person's role, such as a family member's, to see the situation through their eyes.
Role theory
Role theory: sociological and social psychology framework explaining behavior as enactment of roles tied to social positions, with structural and symbolic interactionist traditions, concepts like role conflict and strain, and documented criticisms.
Role-based access control
Role-based access control (RBAC) is an access control model in which permissions are granted through roles rather than individual users, formally defined by Ferraiolo and Kuhn in 1992.
Role-playing
Role-playing, especially tabletop role-playing games (TTRPGs) like Dungeons & Dragons, is collaborative rule-guided storytelling with a game master; created 1974 by Gygax and Arneson, now used in education, therapy, and a multi-billion-dollar hobby market.
Role-playing game
Role-playing game (RPG): games of character creation and progression in fictional worlds under structured rules, spanning tabletop, live-action, and digital play. Began with Dungeons & Dragons (Gygax and Arneson, 1974); D&D 5e holds roughly 58% of Roll20 play.
Role-playing video game
Role-playing video game (RPG), also CRPG or JRPG: a video game genre of character progression, quests, and combat rules descended from Dungeons & Dragons, spanning Western, Japanese, action, and MMORPG traditions.
Rolex
Rolex is a Swiss luxury watchmaker headquartered in Geneva, founded in 1905 by Hans Wilsdorf and known for the Oyster waterproof wristwatch and the Perpetual self-winding rotor.
Rolex Oyster
The Rolex Oyster is the waterproof wristwatch Rolex introduced in 1926, with a screw-down bezel, case back, and crown; it underpins nearly all Rolex watches today.
Rolex Submariner
The Rolex Submariner, formally the Rolex Oyster Perpetual Submariner, is a divers' wristwatch introduced by Rolex in 1953, now guaranteed waterproof to 300 meters and widely treated as the archetype of the divers' watch.
Rolf A.K. Stahl
Rolf A.K. Stahl (also published as Rolf A. K. Stahl) was a German nephrologist known for work on immune-mediated glomerular kidney disease, especially membranous nephropathy and the anti-PLA2R1 antibody test.
Rolf Apweiler
Rolf Apweiler is a German bioinformatician who founded and led UniProt, the universal protein knowledgebase, at the European Bioinformatics Institute near Cambridge until retiring in 2025.
Rolf Backofen
Rolf Backofen is a bioinformatician and full professor holding the chair for Bioinformatics at the University of Freiburg, known for RNA–RNA interaction prediction, RNA–protein binding tools, and CRISPR–Cas classification.
Rolf Beab
Rolf Beab (born 1964, Helmstedt) is a German breaststroke swimmer of the 1980s, FRG. 1985 European silver 100 m breaststroke and medley relay gold, 1986 Worlds fourth, European 50 m breaststroke record holder.
Rolf Danneberg
Rolf Danneberg (born 1953, Hamburg) is a German discus thrower for West Germany, 1984 Olympic champion with 66.60 m in an upset at Los Angeles and 1988 Seoul bronze medalist with 67.38 m; personal best 67.60 m (1987).
Rolf Dieter Amend
Rolf Dieter Amend (1949–2022), East German slalom canoeist, won the first Olympic C-2 gold with Walter Hofmann at Munich 1972; later German national kayak coach 1991–2008 with nine Olympic golds.
Rolf Dieter Brinkmann
Rolf Dieter Brinkmann (1940–1975) was a German poet, novelist, and translator who renewed German lyric poetry through American influences, best known for the novel Keiner weiß mehr.
Rolf Edling
Rolf Edling (born 1943, Mumbai) is a Swedish épée fencer, Olympic team gold medalist at Montreal 1976 and individual World Champion 1973 and 1974; later fencing master at Lund University.
Rolf Eliassen
Rolf Eliassen (1911–1997) was an American civil and environmental engineer, a professor at MIT and later Stanford, where he founded the university's environmental engineering program and researched water treatment.