519,064 articles
Ubu Roi
Ubu Roi (Ubu roi) is Alfred Jarry's 1896 five-act burlesque play about Père Ubu, who seizes the throne of Poland. Its premiere at the Théâtre de l'Œuvre on 10 December 1896 caused a scandal with the word "merdre", and it became a precursor of Dada, Surrealism and the Theatre of the Absurd.
Ubud
Ubud, a town in Gianyar Regency, central Bali, is Indonesia's cultural tourism hub, also called Bali's art center. Known for Tegallalang rice terraces and a tourism model dating to the 1930s, it now faces overtourism: about 2 million annual visitors, 350 ha of rice-field conversion, and 90 tons of plastic waste daily.
Ubud Monkey Forest
Ubud Monkey Forest (Mandala Suci Wenara Wana), a sacred 12.5-hectare temple sanctuary in Padangtegal, Ubud, Bali, home to about 1,000 long-tailed macaques, managed via Tri Hita Karana, sterilization, and an on-site veterinary clinic.
Ubud style painting
Ubud style painting is a school of modern Balinese painting that developed in Ubud, Bali, from the 1930s, blending the classical Kamasan tradition with Western perspective and shading.
Ubud Writers & Readers Festival
The Ubud Writers & Readers Festival (UWRF) is an annual literary festival in Ubud, Bali, Indonesia, founded in 2004 by Janet DeNeefe in response to the 2002 Bali bombings.
Ubuhake
Ubuhake was the cattle-and-service clientage contract of precolonial and colonial Rwanda, by which a client commended himself to a patron for the use of cattle and protection.
Ubume
Ubume (産女, kokakuchō 姑獲鳥) is a Japanese yōkai, the spirit of a woman dead from childbirth who asks passersby to hold her baby; first recorded in the Konjaku Monogatarishū around 1120.
Ubuntu
Ubuntu is a free, Debian-based Linux distribution published by Canonical, created by Mark Shuttleworth's team in 2004, with releases every six months and long-term support releases every two years.
Ubuntu philosophy
Ubuntu philosophy: Southern African Bantu ethical tradition (Zulu ubuntu, Shona hunhu) holding that a person is a person through other persons; in writing since 1846, invoked by the TRC and South Africa's Constitutional Court, now applied in AI ethics.
Ubuntu Touch
Ubuntu Touch, also known as Ubuntu phone, is a free open-source mobile operating system based on Ubuntu Linux, developed by Canonical until 2017 and since by the UBports community.
Ubuntu version history
The Ubuntu version history covers the releases of the Ubuntu Linux distribution, which began with Ubuntu 4.10 in October 2004 and arrives every six months.
UbuntuNet Alliance
UbuntuNet Alliance is a non-profit association of national research and education networks in Eastern and Southern Africa, founded in 2005 and serving over 3.5 million users.
UBV photometric system
The UBV photometric system, also called the Johnson or Johnson-Morgan system, is a broad-band photometric system with three filters: U (ultraviolet), B (blue), and V (visual).
Ubykh language
Ubykh (Ubıhça), an extinct Northwest Caucasian language of the Black Sea coast, famed for 80-84 consonants and 2-3 vowels; last fluent speaker Tevfik Esenç died in 1992.
UC Browser
UC Browser is a mobile web browser developed by UCWeb in Guangzhou, China, and owned by Alibaba Group since 2014, known for its data-compressing cloud architecture.
UC Davis pepper spray incident
UC Davis pepper spray incident: November 18, 2011, campus police pepper-sprayed seated Occupy protesters on the UC Davis Quad; the Reynoso task force ruled it unjustified, leading to reforms.
UC Pension
The UC Pension, formally the University of California Retirement Plan, is a defined-benefit pension for UC faculty and staff, established in 1961 and holding $110.7 billion in assets.
UC San Diego Tritons
UC San Diego Tritons: athletics teams and campus identity of UC San Diego, NCAA Division I, Big West Conference since 2020; first March Madness berths in 2025, 23 varsity sports, Triton Gaming and Triton Esports Center.
Ức Trai thi tập
Ức Trai thi tập, named for Nguyễn Trãi's literary name, is his collection of 105 classical Chinese poems, spanning the Lam Sơn uprising to his retirement at Côn Sơn.
UC3 Nautilus
UC3 Nautilus was a privately built Danish midget submarine designed by Peter Madsen, launched in 2008 and the site of the 2017 murder of journalist Kim Wall.
UCA1
UCA1 (urothelial cancer associated 1, CUDR, LINC00178) is a human long non-coding RNA gene on chromosome 19p13.12, discovered in 2006 in bladder cancer, oncogenic via miRNA sponging, and studied as a diagnostic and prognostic cancer biomarker.
UCAC3 113-933
UCAC3 113-933 is an M0V dwarf star 171.5 light-years away in Sculptor hosting UCAC3 113-933 b (CWISE J002101.45-334631.5), a 21-Jupiter-mass gas giant imaged directly in 2024 at 6100 AU, one of the widest known planetary orbits.
UCAC4 328-061594
UCAC4 328-061594, a DC white dwarf about 130 light-years away, hosts UCAC4 328-061594 b (CWISE J101017.43-242300.4), a 21-Jupiter-mass imaged companion at 19,000 au, the widest known planetary orbit, discovered in 2024 via Backyard Worlds.
UCAS
UCAS (Universities and Colleges Admissions Service) is the UK's independent charity operating the shared admissions service for higher education, handling nearly 3 million applications from 752,210 students in 2024, with five-choice applications, October and January deadlines, and Clearing.
UCAS Tariff
UCAS Tariff points convert UK post-16 qualifications and grades into a number used by some universities for entry requirements; only Level 3/SCQF Level 6 qualifications count, with A at A level worth 56 points under the 2017-revised scale.
Ucayali
Ucayali, a department and region of the Peruvian Amazon with capital Pucallpa; created as a province in 1900 and a department in 1980; second largest department, 102,400 km², four provinces, forest-based economy.
Ucayali - Urubamba Piedmont
Ucayali-Urubamba Piedmont, FEOW freshwater ecoregion 317 in Peru, a 250-750 m Andes-Amazon transition of whitewater rivers; nearly 21 endemic fish species, threatened by dams and Camisea gas development.
Ucayali River
Ucayali River (Río Ucayali), Peruvian white-water Amazon tributary formed at Atalaya by the Apurímac and Urubamba; about 1,460 km long, joins the Marañón above Iquitos to form the Amazon, discharging 12,000 m³/s.
UCC-1 financing statement
UCC-1 financing statement: the standard form filed with state offices under UCC Article 9 to perfect a security interest in personal property collateral; effective five years, renewable by UCC-3 continuation within a six-month window.
UCCA (unmanned combat aircraft)
UCCA, short for uncrewed collaborative combat aircraft and also known as a loyal wingman, is an autonomous armed drone that teams with crewed fighter jets rather than flying independent strike missions.