All articles starting with Y
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Yellow fever vaccine
The yellow fever vaccine, or yellow fever 17D, is a live attenuated vaccine developed by Max Theiler in 1937 that protects against yellow fever; one dose lasts a lifetime.
Yellow Flag Army
The Yellow Flag Army (黃旗軍) was a band of Chinese former rebels that controlled territory around Hà Giang in northern Vietnam in the 1870s, under Huang Chongying.
Yellow Fleet
The Yellow Fleet was a group of merchant ships trapped in the Great Bitter Lake section of the Suez Canal from 1967 to 1975 after the Six-Day War.
Yellow head disease
Yellow head disease (YHD), caused by yellow head virus genotype 1 (YHV1, Roniviridae, Okavirus), is a highly virulent WOAH-listed disease of farmed penaeid shrimp, first seen in Thailand in 1990, killing up to 100% of P. monodon within 3–5 days; not a human health risk.
Yellow jersey statistics
Yellow jersey (maillot jaune) statistics for the Tour de France: first worn by Eugène Christophe in 1919; record 96 days in yellow (Eddy Merckx), five overall wins shared by Anquetil, Merckx, Hinault, Indurain, Pogačar; 64 winners; LCL-sponsored, Castelli-made.
Yellow journalism
Yellow journalism: sensational 1890s American newspaper style of Hearst's Journal and Pulitzer's World, named after the Yellow Kid comic, best known for its disputed role in the 1898 Spanish-American War.
Yellow Ledbetter
Yellow Ledbetter, Pearl Jam song written by Ament, McCready, and Vedder; 1992 B-side of "Jeremy," never on a studio album, improvised lyrics, Hendrix "Little Wing" influence, standard concert closer with 414 performances.
Yellow Letters
Yellow Letters (Gelbe Briefe, Sarı Zarflar) is a 2026 Turkish-language political drama by İlker Çatak about a persecuted Ankara theatre couple; it won the Golden Bear at the 76th Berlinale.
Yellow Line (Gaza)
The Yellow Line is the Gaza ceasefire demarcation line, effective 10 October 2025, to which Israeli forces withdrew, initially covering about 53 percent of the Strip; marked by yellow concrete blocks, it expanded westward, was fortified with a 23 km earthen barrier, and is associated with hundreds of verified deaths near the line.
Yellow Line (Namma Metro)
The Yellow Line, or Namma Metro Yellow Line, is a 19.15 km elevated metro line in Bengaluru, India, running from RV Road to Bommasandra and serving Electronic City, which opened in August 2025.
Yellow line (road marking)
A yellow line, often a double yellow line, is a road marking that separates opposing traffic in the US and marks no-waiting parking restrictions in the UK.
Yellow Magic Orchestra
Yellow Magic Orchestra (イエロー・マジック・オーケストラ, YMO), Japanese technopop trio of Hosono, Sakamoto, and Takahashi formed 1978; early TR-808 adopters, Solid State Survivor (1979), 1983 breakup, 2007 revival, major electro and hip-hop influence.
Yellow Magic Orchestra discography
Yellow Magic Orchestra (イエロー・マジック・オーケストラ, YMO) discography: seven Alfa-era studio albums 1978–1983 plus Technodon (1993), Solid State Survivor's million-selling Oricon No. 1, singles, live and compilation releases, and the Bob Ludwig YMO40 remasters.
Yellow Mirror
Yellow Mirror is a 2026 Disney+ exclusive Simpsons episode (809th overall) parodying Black Mirror, written by Carolyn and Kai Omine, with two segments: Homer's defective-lamp reality crisis and Maggie's AI tablet Hailey.
Yellow nail syndrome
Yellow nail syndrome (YNS) is a rare triad of slow-growing yellow dystrophic nails, lymphedema, and respiratory disease, first described by Samman and White in 1964; two of three features suffice for diagnosis, and treatment is symptomatic.
Yellow pages
The yellow pages are printed business telephone directories listing businesses under classified headings like plumbers and restaurants, distributed free and funded entirely by advertiser payments.
Yellow paint in video games
Yellow paint in video games: bright yellow signposting on interactive objects and climbable ledges, popularized by Resident Evil 4 Remake (2023) and Final Fantasy VII Rebirth (2024), central to an ongoing game design and accessibility debate.
Yellow perch
Yellow perch (Perca flavescens) is a North American freshwater perch with barred golden flanks and two dorsal fins; Great Lakes food fish, peak Lake Erie catch 13,546 t (1969), now mostly farmed.
Yellow Peril
Yellow Peril: racist Western ideology, also called yellow terror or yellow menace, framing East Asians, especially Chinese, as threats; drove the 1882 Chinese Exclusion Act and resurged in COVID-19 anti-Asian violence and US-China AI rhetoric.
Yellow rain
Yellow rain was a yellow substance reported falling in Laos, Cambodia, and Afghanistan from the mid-1970s to early 1980s, which the US alleged was a Soviet toxin weapon.
Yellow Registers
The Yellow Registers (黄册) were the Ming dynasty's household registers of every family's population and property, the legal basis for taxes and corvée, revised every ten years.
Yellow ribbon
Yellow ribbon: a colored ribbon worn or displayed to remember someone far away, welcome them home, or support a cause. Modern use began with Penne Laingen in the 1979 Iran hostage crisis, inspired by the 1972 Tony Orlando and Dawn song; earlier yellow ribbon uses include women's suffrage.
Yellow River 'Eastern Flow vs Northern Flow' controversy
The Yellow River 'Eastern Flow vs Northern Flow' controversy (回河之争) was a Northern Song court debate over whether to force the river back east or accept its northern course.
Yellow River (黄河)
Yellow River (黄河, Huang He), China's second largest river and the world's most sediment-laden major river, draining the Loess Plateau to the Bohai Sea; peak sediment load 2.1 Gt/yr in 1958, 1,593 levee breaches historically, sediment now down ~90% since the 1980s.
Yellow River Cantata
The Yellow River Cantata (黄河大合唱) is an eight-movement Chinese choral work composed by Xian Xinghai in 1939 in Yan'an to a poem cycle by Guang Weiran.
Yellow River course change of 1048 and the Song "return the river" debates (黄河改道与水患)
The Yellow River course change of 1048 (黄河改道与水患) was a dike breach at Shanghu, Chanzhou, that sent the river north into Hebei, prompting decades of failed Song "return the river" projects.
Yellow River flooding and hydraulic management under Hongwu–Yongle
The early-Ming program of Yellow River dike repair and canal reopening that restored the Huitong Canal as the grain route to Beijing in Yongle 9.
Yellow Russia (Жёлтая Россия)
Yellow Russia (Жёлтая Россия, Zheltorossiya) was an unrealized Russian Empire colonial project to take Qing Chinese territory, chiefly Manchuria, theorized by Il'ya Levitov and abandoned after 1905.
Yellow Sea
The Yellow Sea (黄海, 황해) is a shallow semi-enclosed shelf sea between China and the Korean Peninsula, named for Yellow River sediment, macro-tidal, home to the Yellow Sea Cold Water Mass, and warming under climate change.
Yellow Sky
Yellow Sky is a 1948 American black-and-white Western directed by William A. Wellman, starring Gregory Peck, Anne Baxter, and Richard Widmark as outlaws fighting over a prospector's gold.