All articles starting with U
6,146 articles
Umbrella review
An umbrella review, also known as an overview of reviews or meta-review, is a systematic review of systematic reviews and meta-analyses on a single topic in evidence-based medicine.
Umbrella sampling
Umbrella sampling is an enhanced-sampling technique in molecular simulation in which a harmonic bias restrains a system along a reaction coordinate, allowing free-energy profiles to be computed.
Umbrella trial
An umbrella trial is a master protocol clinical trial that evaluates multiple investigational drugs in a single disease population, matching each patient to a treatment by their tumor's biomarker.
Umbria
Umbria, landlocked region of central Italy bordered by Tuscany, Marche, and Lazio; capital Perugia; two provinces (Perugia, Terni); 851,954 residents in 2025; known as the green heart of Italy.
Umbriel
Umbriel (Uranus II) is the third largest and darkest of Uranus's five classical moons, a heavily cratered icy body about 1,200 km wide, discovered by William Lassell in 1851.
Umbro
Umbro is a British sportswear brand founded in 1924 by Harold and Wallace Humphreys (from Humphreys Brothers), known for the double diamond logo, England's 1966 World Cup kit, the Speciali boot, and replica kits; owned by Authentic Brands Group since the 2022 Iconix acquisition.
Umdat-ul-Umara
Umdat-ul-Umara (عمادت العمریہ), also recorded as Umdat-ul-Umra, was Nawab Subadar of the Carnatic in South India from 1795 until his death in 1801, after which its government passed to the British.
Umdat-ut-Tawarikh
Umdat-ut-Tawarikh (عمدۃ التواریخ) is a Persian chronicle of the Sikhs and Punjab written by Lala Sohan Lal Suri, chronicler at Maharaja Ranjit Singh's court, covering 1469 to 1849.
Umeå
Umeå, largest city in northern Sweden and seat of Västerbotten County; founded 1622, rebuilt after the 1888 fire as the 'City of Birches'; 135,273 residents (Dec 2025), university city, 2014 European Capital of Culture.
Umeå University
Umeå University (Umeå universitet), public university in Umeå, Sweden; inaugurated 17 September 1965 by King Gustaf VI Adolf as Sweden's fifth university; largest in northern Sweden with 43,736 students in 2025; CRISPR-Cas9 discovered there.
Umeboshi (梅干し)
Umeboshi (梅干し), Japanese salted and sun-dried pickled ume (Prunus mume) fruit, a Heian-era medicine and preserved food; traditional types carry about 20% salt, Wakayama's Nanko-ume is the signature variety, and pickling yields sour umezu brine.
Umeclidinium
Umeclidinium (umeclidinium bromide, Incruse Ellipta) is a once-daily inhaled long-acting muscarinic antagonist at 62.5 mcg for COPD maintenance, also combined with vilanterol and fluticasone furoate in Anoro and Trelegy Ellipta.
Umed Singh of Bundi
Umed Singh (उम्मेद सिंह) was an eighteenth-century ruler of Bundi in Rajasthan who reigned from 1749 to circa 1773 and built the Chitrashala palace gallery.
Umehara Ryūzaburō
Umehara Ryūzaburō (梅原龍三郎, 1888–1986) was a Japanese yōga, or Western-style, painter who studied under Renoir in France and led modern Japanese oil painting through the Taishō and Shōwa periods.
UMEK
UMEK is the stage name of Uroš Umek, a Slovenian techno DJ and producer born in 1976 who pioneered Slovenia's rave scene and founded the label 1605.
Umělecká beseda
Umělecká beseda ("Artistic Society") is a Czech artists' association founded in Prague in 1863 by figures including Bedřich Smetana, uniting writers, musicians, and visual artists.
Umer Shareef
Umer Shareef (عمر شریف), born Muhammad Umer, Pakistani comedian and stage actor (1955–2021) famed for Bakra Qiston Pe and Mr 420, National and Nigar Awards, Tamgha-e-Imtiaz.
Umera Ahmed (عمیرہ احمد)
Umera Ahmed (عمیرہ احمد), born 1976 in Sialkot, is a leading Pakistani Urdu novelist and screenwriter, author of Peer-e-Kamil and Zindagi Gulzar Hai, whose digest-born fiction and TV adaptations dominate popular Urdu fiction.
Umerkot District
Umerkot District (ضلع عمرکوٹ), Sindh, Pakistan: south-eastern district of 1,159,831 people (2023), Pakistan's only non-Muslim-majority district (55.2%), birthplace of Emperor Akbar, with largely undrinkable groundwater and severe drought and flood exposure.
Umesh D. Parashar
Umesh D. Parashar is a physician and medical epidemiologist at the CDC in Atlanta who heads its Viral Gastroenteritis Branch and is known for rotavirus vaccine safety research.
Umesh Rai
Umesh Rai is a Bharatiya Janata Party politician, MLA for Howrah Uttar in the West Bengal Assembly since May 2026, having defeated AITC's Gautam Chowdhury by 11,250 votes on his third attempt after losing in 2021.
Umesh Reddy
Umesh Reddy (B.V. Umesh, also B.A. Umesh), born 1973 in Chitradurga, Karnataka, is a former police constable and convicted serial rapist-killer, the 'Beast of Bangalore', convicted in nine cases; his 2006 death sentence was commuted to life in 2022.
Umesh Vazirani
Umesh Vazirani is an American theoretical computer scientist at UC Berkeley, described as one of the founders of quantum computing and elected to the National Academy of Sciences in 2018.
Umesh Yadav
Umesh Yadav (Umeshkumar Tilak Yadav), Indian right-arm fast bowler born 1987 in Nagpur; first Test cricketer from Vidarbha, 55 Tests, 2015 World Cup wicket-taker, IPL 144 wickets, now with Punjab in Ranji Trophy.
Umeshbhai Patel
Umeshbhai Patel, born 1976, in Daman, is an Indian politician and Independent member of the 18th Lok Sabha, representing Daman and Diu since 2024.
Umesolerbart
Umesolerbart (REGN5714) is a Regeneron IgG4 monoclonal antibody against the birch pollen allergen Bet v 1, part of the REGN5713-5714-5715 cocktail for allergic rhinitis, INN recommended 2023, in phase III trials.
Umetaro Suzuki
Umetaro Suzuki (鈴木梅太郎), 1874 to 1943, was a Japanese agricultural chemist who in 1910 isolated an anti-beriberi substance from rice bran, an early identification of vitamin B1.
Umezu Yoshijiro
Umezu Yoshijiro (梅津美治郎, 1882 to 1949) was an Imperial Japanese Army general who commanded the Kwantung Army in Manchuria from 1939 to 1944 and served as Chief of the Army General Staff from 1944.
uMgungundlovu District Municipality
uMgungundlovu District Municipality (DC22), KwaZulu-Natal, South Africa; seat Pietermaritzburg; seven local municipalities including Msunduzi; about 9,515 km², population 1,017,763 (Census 2011); water services authority.
UMHLOBO WENENE FM
Umhlobo Wenene FM (UWFM), meaning 'True Friend' in isiXhosa, is an SABC public radio station in Gqeberha broadcasting in isiXhosa to about 4.2 million weekly listeners.