All articles starting with R
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Retrovirus
Retrovirus (Retroviridae): RNA virus whose genome is reverse-transcribed into DNA by reverse transcriptase and integrated as a provirus; includes HIV, MLV, HTLV; basis of gene therapy vectors and the 1975 Nobel discovery.
Retrovirus classification and genome organization
Retroviruses are enveloped RNA viruses of the family Retroviridae, classified into genera such as Alpharetrovirus, Gammaretrovirus, and Lentivirus, whose RNA genome is copied into DNA and integrated as a provirus.
RETScreen
RETScreen is a clean energy management software platform developed by the Government of Canada for evaluating, monitoring, and reporting renewable energy and energy efficiency projects worldwide.
RETSEACSII trial
RETSEACSII (NCT05740059) is a completed single-center randomized trial at University Hospital, Montpellier, testing SvO2-adjusted restrictive red-cell transfusion (Hb <9 g/dL plus central SvO2 ≤65%) versus standard restrictive transfusion in 676 on-pump cardiac surgery patients.
Retsina
Retsina (ρετσίνα) is a traditional Greek white or rosé wine made by adding Aleppo pine resin during fermentation; legally produced only in Greece, protected as a TSG, with Savatiano as its main grape and Attica its center.
Rett syndrome
Rett syndrome (RTT) is a rare X-linked genetic neurodevelopmental disorder, mostly affecting girls, caused by MECP2 mutations; children regress at 6–18 months with loss of hand skills and speech, and trofinetide (Daybue) became the first FDA-approved treatment in 2023.
Retta
Retta (Marietta Sangai Sirleaf), American comedian and actor from Newark, New Jersey; played Donna Meagle on Parks and Recreation ('Treat yo' self'), Barbara on Girlfriends' Guide to Divorce, Ruby on Good Girls, and hosts HGTV's Ugliest House in America. Former Duke pre-med chemist.
Retta Thala
Retta Thala (ரெட்ட தல) is a 2025 Tamil action thriller directed by Kris Thirukumaran, starring Arun Vijay in dual roles as Kaali and Malpe Upendra; released 25 December 2025, it earned about ₹3.7 crore and streams on Prime Video.
Rettendon murders
Rettendon murders (Essex Boys, Range Rover murders): Tucker, Tate and Rolfe shot dead in a Range Rover at Rettendon, Essex, 6 December 1995; Steele and Whomes convicted in 1998 on supergrass Nicholls's evidence, still disputed.
Retting
Retting is the controlled microbial or chemical decomposition of the pectins binding bast fibers to flax, hemp, and similar stems, freeing the fibers for cleaning by scutching and hackling.
Return address stack
The return address stack (RAS), also called a return stack buffer, is a small hardware stack in a processor that predicts the targets of function return instructions.
Return from Death
Return from Death (死に戻りの魔法学校生活を、元恋人とプロローグから) is a Japanese fantasy-romance light novel series by Eiko Mutsuhana, serialized on Shōsetsuka ni Narō in 2020–2021, published in print by Earth Star Entertainment and digitally in English by Cross Infinite World.
Return from Witch Mountain
Return from Witch Mountain (1978) is Disney's sequel to Escape to Witch Mountain, directed by John Hough, starring Bette Davis and Christopher Lee as villains who kidnap psychic alien boy Tony (Ike Eisenmann) in Los Angeles.
Return loss
Return loss is a measure of impedance matching in a transmission system: the ratio of incident to reflected power in decibels, where a high value means little reflection.
Return merchandise authorization
A return merchandise authorization (RMA), also called return material authorization, is a numbered authorization a merchant issues to permit a product return for refund, replacement, or repair.
Return of His Majesty
Return of His Majesty (皇帝回乡) is a 2024 Chinese vertical short drama, 63 two-minute episodes on DramaBox, about a disguised emperor returning home to keep a marriage promise and punish corrupt officials.
Return of Meltage Fees to the Public Coffers (Haoxian Guigong)
Return of Meltage Fees to the Public Coffers (耗羡归公) was a Qing dynasty fiscal reform, first adopted in Shanxi under the Yongzheng Emperor, that fixed the meltage-fee surtax.
Return of Saturn
Return of Saturn is No Doubt's fourth studio album, released April 11, 2000 on Trauma/Interscope; the follow-up to Tragic Kingdom, it debuted at No. 2 on the Billboard 200, scored 68 on Metacritic, and takes its title from a lyric about the Saturn return.
Return of the Blossoming Blade (화산귀환)
Return of the Blossoming Blade (화산귀환, Return of the Mount Hua Sect) is Biga's 2019 Naver Series murim web novel and its hit Naver Webtoon adaptation by LICO and ARCHE, following Cheongmyeong's rebirth to rebuild the Mount Hua Sect.
Return of the Chinese Eastern Railway
Return of the Chinese Eastern Railway (中国长春铁路): the gratis Soviet transfer of the jointly administered Chinese Changchun Railway and all its property to the PRC, completed in Harbin on December 31, 1952 under the February 14, 1950 Sino-Soviet agreement.
Return of the Dream Canteen
Return of the Dream Canteen, the Red Hot Chili Peppers' 13th studio album, released October 14, 2022 on Warner Records; second 2022 double-album companion to Unlimited Love, 17 tracks, produced by Rick Rubin.
Return of the Fly
Return of the Fly (1959) is the black-and-white sequel to The Fly, directed by Edward Bernds, starring Vincent Price as Francois Delambre, in which Philippe Delambre repeats his father's teleportation experiments and becomes a fly-human hybrid.
Return of the Jedi
Return of the Jedi, also known as Star Wars Episode VI, is a 1983 American space-opera film directed by Richard Marquand that concludes the original Star Wars trilogy.
Return of the Jungle
Return of the Jungle (रेतुर्न ऑफ़ थे जंगल) is a 2026 Hindi animated feature by Vaibhav Kumaresh's Vaibhav Studios, self-financed over about 15 years, released May 29, 2026, about schoolkids, a bully, and Panchatantra-style jungle tales.
Return of the Living Dead (2026 film)
Return of the Living Dead (2026 film), listed by IMDb as a 2027 release, is an unreleased Steve Wolsh comedy-horror film set 18 months after the 1985 original, with a Trioxin leak in Pennsylvania at Christmas 1985 and Tarman returning.
Return of the Living Dead (film series)
Return of the Living Dead is a zombie horror-comedy film series begun by Dan O'Bannon's 1985 unofficial sequel to Night of the Living Dead, known for brain-craving, running, talking Trioxin zombies and four sequels released 1988 to 2005.
Return of the Living Dead III
Return of the Living Dead III (Return of the Living Dead 3) is a 1993 zombie horror film directed by Brian Yuzna, written by John Penney, starring Mindy Clarke and J. Trevor Edmond; a darker, romance-driven third entry released by Trimark on 29 October 1993.
Return of the Mack
"Return of the Mack" is a 1996 song by Mark Morrison that spent two weeks at number one in the UK and reached number 2 on the Billboard Hot 100.
Return of the Obra Dinn
Return of the Obra Dinn is a 2018 adventure game by Lucas Pope in which an insurance investigator determines the fate of 60 people aboard a ghost ship.
Return of the Secaucus 7
Return of the Secaucus 7 (also Return of the Secaucus Seven) is John Sayles's 1980 independent debut drama about seven former 1960s radicals reuniting in New Hampshire, made for about $60,000 and inducted into the National Film Registry in 1997.