All articles starting with U
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Utwe Biosphere Reserve
Utwe Biosphere Reserve, Kosrae, Federated States of Micronesia; UNESCO MAB site designated 2005, one of the first two in Pacific island countries; community-managed, small (1,773 ha reported), with lagoon, reef, mangrove and forest habitats.
Utz Brands
Utz Brands is an American manufacturer of branded salty snacks, founded in 1921 in Hanover, Pennsylvania, whose brands include Utz, Zapp's, Boulder Canyon, and Golden Flake.
Utz Fischer
Utz Fischer, born 1964 in Berlin, is a German biochemist and professor at the University of Würzburg known for work on snRNP assembly and spinal muscular atrophy.
Uukwaluudhi
Uukwaluudhi is a traditional kingdom of the Ovambo people in northern Namibia, today a district in the Omusati Region whose recognized Traditional Authority is led by King Josia Shikongo Taapopi.
Uummannaq fjord system bays and inlets
The Uummannaq fjord system bays and inlets, officially Uummannaq Fjord, are the arms of a large fjord complex in Greenland draining the ice sheet into Baffin Bay.
Uunchai
Uunchai (ऊँचाई, "Height") is a 2022 Hindi adventure drama directed by Sooraj R. Barjatya, about three retired friends trekking to Everest Base Camp in memory of a friend.
Uushigiin Uver
Uushigiin Uver (Уушигийн өвөр), a Bronze Age deer stone and khirgisüür complex in Bürentogtokh soum, Khövsgöl, Mongolia, 18 km west of Murun; 14 carved granite stelae, State Special Protection since 1998, UNESCO World Heritage 2023.
Uusikaupunki
Uusikaupunki (Nystad) is a Finnish coastal town in Vakka-Suomi, founded 1617 by Gustav II Adolf; site of the 1721 Treaty of Nystad, a major 19th-century shipping fleet, and Finland's first passenger car plant (Saab-96, 1969).
Uusimaa
Uusimaa (Nyland) is Finland's southernmost region on the Gulf of Finland, containing Helsinki. It covers 9,440 km2, has about 1.8 million people (31% of Finland), 26 municipalities, and produces 39% of national GDP.
UV excision repair protein Rad23
Rad23 (HR23A/HR23B in mammals) is a conserved accessory nucleotide excision repair protein that binds and stabilizes the damage sensor Rad4/XPC and moonlights in ubiquitin-proteasome substrate recognition via UBL and UBA domains.
UV mapping
UV mapping, also called UV coordinates, is the process of assigning 2D texture coordinates to a 3D model's vertices so an image texture wraps onto its surface.
UV radiation resistance protein/autophagy-related protein 14
ATG14 (ATG14L, Barkor, KIAA0831), UV radiation resistance/autophagy-related protein 14, is the autophagy-specific subunit of the human Beclin 1-VPS34 class III PI3K complex PI3KC3-C1, mutually exclusive with UVRAG, essential for autophagosome formation and autophagosome-lysosome fusion.
UV-B lamps
UV-B lamps emit 280–320 nm ultraviolet B for phototherapy; narrowband (311–313 nm, Philips TL01) and broadband types treat psoriasis, eczema, and vitiligo, with dosing by minimal erythema dose.
UV-sensitive syndrome
UV-sensitive syndrome (UVsS, UVSS), a rare autosomal recessive photodermatosis from ERCC6, ERCC8, or UVSSA mutations causing defective transcription-coupled nucleotide excision repair; sun sensitivity and dyspigmentation without skin cancer risk or neurologic disease.
UV–vis–NIR spectrophotometry
UV–vis–NIR spectrophotometry is a non-destructive absorption spectroscopy method measuring how much ultraviolet, visible, and near-infrared light a material absorbs or reflects across roughly 175 to 3300 nm.
UV/sulfite reductive defluorination of PFAS
UV/sulfite reductive defluorination is an advanced reduction process for destroying PFAS, where UV light converts sulfite into hydrated electrons that replace carbon–fluorine bonds with carbon–hydrogen bonds.
Uvalde, Texas
Uvalde, Texas: county seat of Uvalde County, 83 miles west of San Antonio; founded as Encina by Reading W. Black in the 1850s and renamed for Juan de Ugalde. Population 15,217 (2020); site of the 2022 Robb Elementary shooting.
Uvaria
Uvaria is a genus of about 170 accepted species of climbing or trailing shrubs in the custard-apple family Annonaceae, native to the tropical and subtropical Old World to Australia, used in traditional medicine and revised phylogenetically to absorb several former genera.
Uvarov's 1833 report on Official Nationality
Uvarov's 1833 report on Official Nationality is an 1833 memorandum by Russian education minister Sergei Uvarov to Nicholas I, setting out the triad of Orthodoxy, Autocracy, and Nationality.
Uvaysi
Uvaysi, pen name of Jahon otin, was a classical Uzbek poetess (around 1780 to 1845) who served at the Kokand court and taught poetry to the queen Nodira.
UVB phototherapy
UVB phototherapy is a dermatological treatment exposing the skin to ultraviolet B light to treat psoriasis, vitiligo, and atopic dermatitis, mostly with narrowband 311 nm lamps.
UVB-76
UVB-76 (УВБ-76, "the Buzzer", ENIGMA S28) is a Russian military shortwave station on 4625 kHz broadcasting a repeating buzz channel marker since the late 1970s, interrupted by rare coded Russian voice messages; not a numbers station or Dead Hand trigger.
UVC Partners
UVC Partners, legally Unternehmertum Venture Capital Partners, is a Munich venture capital firm founded in 2011 that invests in DeepTech, ClimateTech, Mobility, and Software/AI startups.
Uvecik Tepe
Uvecik Tepe (Üvecik Tepe, Üveciktepe) is the largest tumulus of the Troad, Turkey, nearly 25 m high, about 4 km from Troy; identified with the tomb of Festus, freedman of Emperor Caracalla, excavated by Schliemann in 1879.
Uveitis
Uveitis (iritis, choroiditis) is inflammation of the uvea, the eye's middle layer (iris, ciliary body, choroid). Causes include autoimmune disease, infection, injury, and lymphoma; treated with corticosteroids and steroid-sparing immunosuppressants.
Üvercinka
Üvercinka is the first poetry book of Turkish poet Cemal Süreya, published in 1958 and regarded as a founding work of the İkinci Yeni movement.
UVERworld
UVERworld (ウーバーワールド) is a six-member Japanese rock band from Shiga Prefecture, formed around childhood friends TAKUYA∞ and bassist 信人, which debuted in 2005 and has placed 31 singles and 9 albums high on the Oricon charts.
Uvira
Uvira, also called cité d'Uvira, is a lake port city at the northern tip of Lake Tanganyika in South Kivu, DR Congo, near Burundi; a historic Arab-Swahili trading post with Port Kalundu, occupied by M23 from December 2025 to January 2026.
UVision
UVision is an Israeli defense company founded in 2011 that designs the HERO family of loitering munitions, in service with the US Army and Marine Corps under a $982 million contract.
UvrABC system subunit A
UvrABC system subunit A (UvrA, uvrA gene, E. coli b4058): ABC-family ATPase dimer that initiates bacterial nucleotide excision repair, scanning DNA for lesions and handing damaged DNA to UvrB before UvrC dual incision.