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All articles starting with R

22,461 articles

Roel Nusse

Roel Nusse, also known as Roeland Nusse, is a Dutch-born developmental biologist at Stanford University who discovered the first Wnt gene and won the 2017 Breakthrough Prize.

Roel Verhaak

Roel Verhaak, born 1976, is a Dutch cancer genomics researcher and Professor of Neurosurgery at Yale known for defining the gene expression subtypes of glioblastoma, called the Verhaak subtypes.

Roeland J. M. Nolte

Roeland J. M. Nolte (1944–2024) was a Dutch supramolecular and organic chemist, professor at Radboud University Nijmegen, and a pioneer of biomimetic nanotechnology known for molecular clips.

Roelly Winklaar

Roelly Winklaar (Egberton Rulove Etienne Winklaar, born 1977, Curaçao), "The Dutch Beast", retired IFBB Men's Open bodybuilder; 2010 New York Pro and 2018 Arnold Classic Australia winner, 3rd at the 2018 Mr. Olympia.

Roelof Botha

Roelof Botha is a South African-born venture capitalist who led Sequoia Capital from 2022 to 2025, backing YouTube, Instagram, and Block after serving as PayPal's chief financial officer.

Roelof Klein

Roelof Klein (1877-1960), Dutch rower from Delft club Laga; with François Brandt won the 1900 Paris Olympic coxed pair, first Dutch Olympic gold, using an unknown French boy coxswain; also bronze in the eight.

Roem–Van Roijen Agreement

The Roem–Van Roijen Agreement was signed on 7 May 1949 between Indonesia and the Netherlands at Jakarta, arranging a cease-fire and Republican participation in the Round Table Conference.

Roemer (Martian crater)

Roemer is a 120-km-diameter impact crater on Mars at 27.46°S, 8.09°E in quadrangle MC-20, named for American astronomer Elizabeth "Pat" Roemer (1929–2016) and approved by the IAU on April 21, 2021.

Roemheld syndrome

Roemheld syndrome, or gastrocardiac syndrome, is an unvalidated diagnosis in which gastrointestinal problems such as hiatal hernia, GERD, or gastric distension trigger cardiac symptoms like palpitations and chest pain via vagal mechanisms; not recognized in ICD-11 or DSM-5.

Roentgen (unit)

The roentgen (R), named for Wilhelm Conrad Röntgen, is a legacy unit of radiation exposure for x-ray and gamma-ray beams, adopted in 1928 and defined as 2.58 × 10⁻⁴ C/kg.

Roentgen equivalent man

The roentgen equivalent man (rem) is a unit of radiation dose equivalent, the older non-SI counterpart of the sievert, still used in United States regulations.

Roentgenium

Roentgenium (Rg), formerly unununium, is a highly radioactive synthetic element with atomic number 111, first made in Darmstadt, Germany, in 1994 and named in 2004 after Wilhelm Röntgen.

Roerich (Mercurian crater)

Roerich, Mercurian crater near the south pole, 111.67 km wide, named 2013 for Russian painter Nicholas Roerich; lies just north of Lovecraft crater, imaged by MESSENGER.

Roerich Pact

The Roerich Pact is a 1935 international treaty, signed in Washington, D.C., treating historic monuments, museums, and cultural institutions as neutral in both peace and war.

Roev ruchey

Roev Ruchey (Роев ручей), Krasnoyarsk Park of Flora and Fauna, a Siberian zoo opened 15 August 2000, first zoo built in Russia in the 21st century; 107 ha, 730 species, grew from the Stolby reserve live corner.

Roey Izkovsky

Roey Izkovsky was an Israeli technology entrepreneur who co-founded Simply (formerly JoyTunes), the Tel Aviv music-learning app company, serving as CTO and building its acoustic recognition technology; Simply reached unicorn status in 2021.

Rofecoxib

Rofecoxib (Vioxx), Merck's selective COX-2 inhibitor NSAID for osteoarthritis, acute pain, and migraine, approved in 1999 and withdrawn worldwide in 2004 after the APPROVe trial showed roughly doubled cardiovascular thromboembolic risk.

Roflumilast

Roflumilast (Daxas, Daliresp, Zoryve) is a selective PDE4 inhibitor; oral 500 µg daily reduces COPD exacerbations in severe chronic bronchitis, and topical 0.3% formulations treat plaque psoriasis, atopic dermatitis, and seborrheic dermatitis.

Rog Christian

Rog Christian (Roger Allen Christian, 1935-2011), American ice hockey forward from Warroad, Minnesota; won 1960 Olympic gold, assisted brother Billy against the USSR, co-founded Christian Brothers hockey sticks.

ROG Xbox Ally

The ROG Xbox Ally is a Windows 11 gaming handheld by ASUS and Microsoft, sold as the base Ally and the higher-performance Ally X, launched in October 2025.

Roga-Roga et Extra Musica

Roga-Roga et Extra Musica, also known as Extra Musica, is a Congolese orchestra from Brazzaville founded in 1993, led by Roga Roga and known for the hit "Bokoko".

Rogachik

Rogachik (Рогачик): North Pontic steppe archaeology. Covers the Late Eneolithic Rogachik culture between the Dnieper and Southern Bug, the Rohachyk burial horizon, and the Scythian Rogachik barrow massive (43 barrows, 81 graves).

Rogaland Fylke

Rogaland (Rogaland fylke), Norwegian county number 11 in southwest Norway, 23 municipalities, Stavanger seat, over 500,000 inhabitants, fourth largest by population, oil and gas economy, unchanged by the 2020 region reform.

Rogallo wing

The Rogallo wing, also called the Parawing, is a flexible fabric wing invented by Francis and Gertrude Rogallo in 1948 that became the basis of hang gliding.

Rogan josh

Rogan josh (रोगन जोश) is a Kashmiri lamb or mutton curry brought by the Mughals, named from Persian rogan (oil) and josh (heat), colored red by Kashmiri chillies, mawal flower, or ratan jot, with distinct Pandit and Muslim versions.

ROGCAS study

ROGCAS (NCT06316882), Retrospective Observational Gastric Cancer Study: a Portuguese dual-centre pilot of opportunistic upper endoscopy during screening colonoscopy; 377 analyzed, 94.8% adherence, 0.8% gastric adenocarcinoma, published in Helicobacter 2025.

Rogelio Funes Mori

Rogelio Funes Mori (Rogelio Gabriel Funes Mori, born 1991) is an Argentine-born, naturalized Mexican striker, all-time top scorer of Monterrey with 160 goals, Mexico international at the 2022 World Cup, later at Pumas, León, and Universidad de Concepción.

Rogelio Marcelo

Rogelio Marcelo (Rogelio Marcelo García, born 1965, Guantánamo) is a Cuban light-flyweight boxer, 1992 Barcelona Olympic gold medalist, twice world silver medalist behind Eric Griffin, and 1991 Pan American Games champion.

Rogelio Pacquiao

Rogelio "Ruel" Dapidran Pacquiao, Filipino politician and brother of boxer Manny Pacquiao; barangay chairman of Apopong (2007-2015), Sarangani congressman (2016-2022), Sarangani governor (2022-2025), and 2025 PFP reelection candidate.

Rogelio Sinán

Rogelio Sinán, pen name of Bernardo Domínguez Alba (1902–1994), was a Panamanian poet, novelist, and playwright whose 1929 collection Onda introduced the avant-garde into Panamanian literature.