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59th Academy Awards
The 59th Academy Awards (March 30, 1987, Dorothy Chandler Pavilion) honored 1986 films. Platoon won Best Picture and three more; Marlee Matlin became the first deaf Oscar-nominated actress and won; Paul Newman won his first competitive Oscar.
59th Annual Country Music Association Awards
The 59th Annual CMA Awards, held November 19, 2025 at Nashville's Bridgestone Arena and hosted by Lainey Wilson, honored country music for July 2024–June 2025; Wilson won Entertainer of the Year, Zach Top New Artist, and "You Look Like You Love Me" took single and song of the year.
59th Annual Grammy Awards
The 59th Annual Grammy Awards, held February 12, 2017 at Staples Center, Los Angeles, hosted by James Corden, honored recordings from October 2015 to September 2016; Adele won five awards including Album, Record, and Song of the Year for 25 and Hello.
5A2-SC8
5A2-SC8 is a degradable, dendrimer-based ionizable amino lipid, selected from a library of over 1,500 candidates, whose lipid nanoparticles deliver siRNA, mRNA, and CRISPR-Cas9 cargoes, primarily to the liver.
5Am Ventures
5AM Ventures is a San Francisco life science venture capital firm, founded by John Diekman and Scott Rocklage, investing in early-stage biopharmaceutical, drug delivery, and research instrument companies.
5E instructional model
The 5E instructional model is a constructivist lesson- and unit-planning framework introduced by BSCS in 1990, sequencing instruction into five phases: engagement, exploration, explanation, elaboration, and evaluation.
5E learning cycle
The 5E learning cycle is an instructional model, introduced by BSCS in 1990, that organizes science lessons into five phases: engage, explore, explain, elaborate, and evaluate.
5ESS switch
The 5ESS switch is a time-division digital telephone switching system developed by Western Electric and AT&T Bell Labs, first placed in commercial service in Seneca, Illinois, in 1982.
5FM
5FM is a national Contemporary Hit Radio station for young South Africans aged 18 to 34, owned by the SABC and broadcasting from its Auckland Park headquarters in Johannesburg.
5G
5G is the fifth generation of cellular mobile communications, defined internationally as IMT-2020 and specified by 3GPP, delivering peak rates of 20 Gbit/s, 1 ms latency, and support for massive Internet of Things connections.
5G Automotive Association
The 5G Automotive Association (5GAA) is a cross-industry organization of automotive, technology, and telecom companies founded in Munich in 2016 to promote C-V2X connected vehicle technology.
5G Core
The 5G Core (5GC) is the part of a 5G mobile network that manages subscriber sessions, authentication, mobility, and policy, specified by 3GPP from Release 15 onward.
5G NR
5G NR, or New Radio, is the 3GPP radio access technology for fifth-generation mobile networks, first completed in 2017 and deployed in low, mid, and mmWave bands.
5G NTN
5G NTN, or 5G non-terrestrial network, is the 3GPP specification set that extends 5G New Radio to operate through satellites, first approved in Release 17 in 2019.
5G-Advanced
5G-Advanced, also marketed as 5.5G or shown on devices as 5GA, is the evolution of 5G mobile communications beginning with 3GPP Release 18, frozen in June 2024, adding AI, energy efficiency, sensing, and satellite coverage.
5K resolution
5K resolution is a display format of 5120 x 2880 pixels, about 77 percent more pixels than 4K UHD, first prominent in Apple's 27-inch Retina 5K iMac in 2014.
5K run
5K run (5-kilometer road race) is America's most popular race distance and a World Athletics record event since 2017, with a women's world record of 13:54 by Beatrice Chebet.
5p13 microduplication syndrome
5p13 microduplication syndrome (Dup(5)(p13), trisomy 5p13, OMIM 613174) is a rare contiguous-gene duplication disorder of chromosome 5p13 involving NIPBL, causing developmental delay, hypotonia, macrocephaly, and facial dysmorphism.
5q35 microduplication syndrome
5q35 microduplication syndrome (Dup(5)(q35), trisomy 5q35) is a rare chromosomal duplication of 5q35 including NSD1, reciprocal to the Sotos syndrome deletion, causing microcephaly, short stature, developmental delay, and delayed bone age.
5S (methodology)
5S, also known as the Five S or 5 S's, is a Japanese workplace-organization methodology, usually the first lean method implemented, used in factories, hospitals, and offices.
5S ribosomal RNA
5S ribosomal RNA (5S rRNA) is a ~120-nt ribosomal RNA of the large ribosomal subunit's central protuberance, binding L5, L18, and L25 in bacteria and only L5 in eukaryotes; its exact function remains unknown.
5th Army Aviation Regiment "Rigel"
The 5th Army Aviation Regiment "Rigel" (5° Reggimento Aviazione dell'Esercito "Rigel") is a helicopter regiment of the Italian Army, based at Casarsa della Delizia and flying AH-129D Mangusta and UH-90A helicopters.
5th Blue Dragon Series Awards
The 5th Blue Dragon Series Awards (청룡시리즈어워즈), Sports Chosun's streaming-platform awards, held July 31, 2026 in Incheon; Kim Go-eun won the Grand Prize for You and Everything Else, with The Legend of Kitchen Soldier taking Best Drama.
5th Canadian Division
The 5th Canadian Division is the Canadian Army's regional formation for Atlantic Canada, reviving the names of its WWI and WWII divisions, the latter armored.
5th century
The 5th century saw the collapse of the Western Roman Empire, conventionally marked by Odoacer's deposition of Romulus Augustulus in 476, while the East survived.
5th century BC
The 5th century BC (500–401 BC): Greek victories at Marathon, Salamis, and Plataeae, the rise and fall of the Athenian Empire, and the Classical period of Greek history.
5th millennium BC
5th millennium BC (5000–4000 BC, also 5th millennium BCE): developed Neolithic and early Copper Age era; copper smelting arose in the Balkans and Carpathian Basin, the LBK culture ended, and Egypt adopted Near Eastern crops mid-millennium.
5th Special Forces Group (United States)
5th Special Forces Group (Airborne), a U.S. Army Green Beret group at Fort Campbell, Kentucky; lineage from the 1st Special Service Force; Vietnam CIDG camps, first U.S. unit into Afghanistan 2001, Task Force Dagger, Iraq 2003–2011.
5th SS Panzer Division Wiking
5th SS Panzer Division Wiking (5. SS-Panzer-Division "Wiking"), a multinational Waffen-SS division formed winter 1940-41 from Germania, Nordland, and Westland regiments with Scandinavian, Flemish, Dutch, and Finnish volunteers; fought on the Eastern Front, encircled at Cherkassy 1944, surrendered in Austria May 1945.
5x2
5x2 (Five Times Two) is a 2004 French drama by François Ozon, starring Valeria Bruni Tedeschi and Stéphane Freiss, telling a couple's marriage in reverse across five episodes from divorce to first meeting; Venice Best Actress winner.