All articles starting with R

Ri-1

Ri-1 (RIVA, RI-1, CVCL_1885, DSMZ ACC 585) is a human ABC-type diffuse large B-cell lymphoma cell line established in 1977 from a 57-year-old woman's peripheral blood, EBV-negative, with TP53 mutation, RB inactivation, and MYC/BCL2 lesions.

Ria

A ria is a drowned, unglaciated river valley flooded by the sea, forming a branching rocky-coast inlet; term coined by von Richthofen (1886) from Galicia's rias, distinct from glacial fjords, found worldwide.

Ria Bose

Ria Bose (born 2006, London) is an English right-back; Chelsea academy product, senior debut with Sporting CP, signed by West Ham United in January 2026, England U20 World Cup squad member, now on loan at Sunderland.

Ría Celestún Biosphere Reserve

Ría Celestún Biosphere Reserve (Reserva de la Biosfera Ría Celestún), a Mexican protected coastal wetland in Yucatán and Campeche, decreed 2000, Ramsar site 1333, MAB reserve 2003, home to Mexico's largest Caribbean flamingo population.

Ría de Vigo

The Ría de Vigo is the southernmost of Galicia's four Rías Baixas, a roughly 33 km sea inlet in Pontevedra province on Spain's Atlantic coast.

Ria Falk

Ria Falk, born Ria Baran, was a West German pair skater who won Olympic gold with her husband Paul Falk at the 1952 Oslo Winter Games.

Ría Lagartos Biosphere Reserve

Ría Lagartos Biosphere Reserve (Reserva de la Biósfera Ría Lagartos), a 60,347.82 ha protected coastal wetland in Yucatán, Mexico, decreed 21 May 1999, a Ramsar site since 1986 and UNESCO MAB reserve since 2004, famed for Caribbean flamingo and sea turtle nesting.

Ria Lina

Ria Lina, British-Filipina stand-up comedian, writer and actor (also Dr Ria Lina), holds a PhD in virology and worked in IT forensics; known for Have I Got News For You, Mock The Week, the Riawakening and Riabellion tours, and BBC Radio 4's Ria Lina Gets Forensic.

Ria Money Transfer

Ria Money Transfer is an American cross-border money transfer company, founded in 1987 and owned by Euronet Worldwide since 2007, sending to more than 190 countries and territories.

Ria Stalman

Ria Stalman (Maria Geertruida Stalman), Dutch discus thrower born 1951 in Delft; 1984 Olympic discus champion (65.36 m) and 71.22 m national record holder; admitted in 2016 to anabolic steroid use; record annulled 2016.

Ria van Velsen

Ria van Velsen (Maria Martina van Velsen-Racké, 1943–2025), Dutch backstroke swimmer from Den Haag; four-time 100 m backstroke world record holder, 1962 European champion, and two-time Olympian (Rome 1960, Tokyo 1964).

RIAA certification

RIAA certification, the Gold & Platinum program, awards US Gold (500,000), Platinum (1,000,000), Multi-Platinum, and Diamond (10,000,000) units to recordings, blending sales, downloads, and streams, verified by GR&F audits.

RIAA equalization

RIAA equalization, also called the RIAA curve, is the record-and-playback frequency-response standard for vinyl introduced by the Recording Industry Association of America in the early 1950s.

Sep 19, 2026

Riaan Benadé

Riaan Benadé is a South African Afrikaans-language singer-songwriter from Nylstroom whose hit "Spontaan" made him the second most-streamed Afrikaans artist on Spotify in 2023, behind only Appel.

Sep 19, 2026

Riaan Stassen

Riaan Stassen is a South African banker who co-founded Capitec Bank and was its chief executive from 2004 to 2013, building it into a major retail bank.

Riace bronzes

Riace bronzes (Bronzi di Riace), two full-size Greek bronze warriors of about 460-440 BC found off Riace Marina, Calabria, in 1972 and displayed in Reggio Calabria.

RIACE study

RIACE (Renal Insufficiency And Cardiovascular Events) Italian Multicenter Study: prospective cohort of 15,773 Italian type 2 diabetes patients (2006-2008, NCT00715481) showing non-albuminuric renal impairment predicts mortality and low retinopathy-CKD concordance.

Riacho Teuquito Biosphere Reserve

Riacho Teuquito Biosphere Reserve (Reserva de Biosfera Riacho Teuquito), a UNESCO MAB site designated in 2000 in western Formosa Province, Argentina, protecting Chaco Seco dry forest; provincial reserve since 1987, core area the Reserva Natural Formosa (~4,151 ha).

Oct 15, 2026

Riad (architecture)

A riad (from Arabic riyāḍ, "garden") is a traditional Moroccan courtyard house built around a planted interior garden, typical of the medinas of Marrakech and Fez.

Sep 19, 2026

Riad Al Sunbati

Riad Al Sunbati, also Riad Sonbati (رياض السنباطي), was an Egyptian composer who wrote about 95 songs for Umm Kulthum, including the celebrated "Al Atlal" of 1966.

Sep 23, 2026

Riad al-Sulh

Riad al-Sulh (رياض الصلح) was a Lebanese statesman and the first prime minister of independent Lebanon, serving from 1943 and again from 1947 to 1951.

RIALTCOT study

RIALTCOT (NCT04512326), a Spanish study from Hospital Universitario Ramón y Cajal led by Juan Ocaña, identifies risk factors for anastomotic leakage after total or subtotal colectomy with ileorectal or ileosigmoid anastomosis; nationwide cohort of 1,074 patients found 14.3% leak rate. Distinct from the RIAltO CLL trial.