All articles starting with S
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Selk (crater)
Selk is an impact crater on Titan, Saturn's largest moon, about 80 km wide and the primary science target of NASA's Dragonfly mission, planned to arrive in 2034.
Selk'nam people
Selk'nam (Ona, Onawo), indigenous hunter-gatherers of Tierra del Fuego with Chonan-language culture, haruwen territories, and the Hain ceremony; decimated by settler genocide, recognized by Chile in 2023.
Selket (crater on Ganymede)
Selket is a 168-km-wide impact crater on Ganymede at 15.03°N, 105.70°W, named in 1985 after the Egyptian goddess who guarded the intestines of the dead.
Selkie
Selkie (Scots, from Old English seolh, 'seal'): a shapeshifting seal-person of Orkney, Shetland, and North Atlantic folklore, trapped in human marriage when its sealskin is stolen, part of the international swan-maiden tale cycle.
Selkirk Rex
Selkirk Rex: curly-coated cat breed from a 1980s Montana spontaneous mutation, named after Jeri Newman's stepfather; autosomal incomplete dominant KRT71 variant, unlike recessive Cornish and Devon Rex.
Sell your cloak and buy a sword
"Sell your cloak and buy a sword" is a saying of Jesus found only in Luke 22:36, spoken at the Last Supper on the night of his arrest.
Sell-side analyst
A sell-side analyst is a research professional employed by an investment bank or brokerage who studies companies and securities, publishing ratings, earnings forecasts, and price targets for institutional clients.
Sella turcica
Sella turcica, or Turkish saddle, is the saddle-shaped depression in the sphenoid bone housing the pituitary gland; named by Spigelius in 1627, with tuberculum sellae, hypophyseal fossa, and dorsum sellae.
Sellafield
Sellafield, historically Windscale and Calder Works, is a nuclear site in Cumbria, England, opened in 1947 to produce plutonium and now focused on waste management and decommissioning.
Sellasia
Sellasia (Σελλασία) was an ancient town in Laconia, Greece, north of Sparta, best known for the battle of 222 BCE won by the Macedonian king Antigonos Doson.
SellerX
SellerX is a Berlin-based e-commerce aggregator that buys and operates Amazon marketplace sellers of everyday consumer goods, founded in September 2020 by Malte Horeyseck and Philipp Triebel.
Selling England by the Pound
Selling England by the Pound is the fifth studio album by English progressive rock band Genesis, released in October 1973 and their first UK Top 10 record, peaking at number 3.
Selling out
Selling out is the accusation that an artist abandoned a music scene's underground values for commercial success, a charge heavy metal fans have aimed at Metallica since 1986.
Selling Sunset
Selling Sunset is a Netflix docusoap, premiering March 2019, following agents at the Oppenheim Group luxury brokerage in Los Angeles, run by twins Jason and Brett Oppenheim; nine seasons, an Emmy nomination, and spinoffs Selling Tampa and Selling the OC.
Selling the City (TV series)
Selling the City is a 2025 Netflix reality series, a Selling Sunset spinoff, following Douglas Elliman agents led by Eleonora Srugo in New York luxury real estate; one season of 8 episodes, canceled April 2026.
Selling the OC
Selling the OC is a Netflix reality series, a Selling Sunset spinoff following Jason and Brett Oppenheim's Newport Beach brokerage; four seasons, 32 episodes, 2022 to 2025, production paused in 2026.
Sellmeier equation
The Sellmeier equation, also known as the Sellmeier formula or Sellmeier law, is a dispersion formula giving refractive index as a function of wavelength, introduced by W. Sellmeier in 1872.
Selma (film)
Selma (2014) is Ava DuVernay's historical drama starring David Oyelowo as Martin Luther King Jr. during the 1965 Selma-to-Montgomery voting-rights marches; it won the Oscar for the song "Glory" and was the first theatrical feature with King as a main character.
Selma Blair
Selma Blair (Selma Blair Beitner), American actress born 1972 in Southfield, Michigan, star of Cruel Intentions, Legally Blonde, and Hellboy; MS advocate since her 2018 diagnosis, author of Mean Baby.
Selma Diamond
Selma Diamond (1920-1985), Canadian-born American comedy writer and actress, wrote for Your Show of Shows and Caesar's Hour (Emmy-nominated) and played bailiff Selma Hacker on NBC's Night Court until her 1985 death from lung cancer.
Selma Lagerlöf
Selma Lagerlöf (1858–1940), Swedish author of Gösta Berlings saga and Nils Holgerssons underbara resa; first woman to win the Nobel Prize in Literature (1909) and first woman in the Swedish Academy (1914).
Selma Masri
Selma Masri is a circadian biologist and Associate Professor of Biological Chemistry at UC Irvine whose laboratory studies how circadian clock disruption drives lung, colorectal, and pancreatic tumors.
Selma Peterson
Selma Peterson, American hurdler and sprinter for Lake Erie College (Painesville, Ohio), class of 1916; ran 13.4 over 90 yards (82.30 m) on 15 May 1915, listed in the IAAF 80 metres hurdles world records progression, with Spalding almanac marks at 90 and 100 yards hurdles.
Selma Poutsma
Selma Poutsma (born 1999, The Hague) is a Dutch short track speed skater who competed for France 2015-2018, then the Netherlands; Olympic 3,000 m relay gold at Beijing 2022 and fourth in the 500 m at Milano-Cortina 2026.
Selma to Montgomery marches
Selma to Montgomery marches: three 1965 Alabama voting-rights marches, including Bloody Sunday at the Edmund Pettus Bridge, led by King, Lewis, and Williams, that spurred the Voting Rights Act of 1965.
Selma, Alabama
Selma, Alabama, county seat of Dallas County on the Alabama River, founded 1820 and named from Ossian's poems; known for the 1865 Battle of Selma and the 1965 Selma to Montgomery voting rights marches.
Selman Akbulut
Selman Akbulut, born 1949, is a Turkish mathematician at Michigan State University known for the Akbulut cork and for proving proposed exotic smooth 4-spheres standard.
Selman Waksman
Selman Abraham Waksman (1888–1973) was an American soil microbiologist at Rutgers University who coined the word "antibiotic" and won the 1952 Nobel Prize for streptomycin.
Selmar Aschheim
Selmar Aschheim (1878–1965) was a German gynecologist and histologist who, with Bernhard Zondek, developed the first reliable biological pregnancy test, used worldwide from the late 1920s.
Selmer group
A Selmer group is a finitely generated subgroup of a Galois cohomology group satisfying local conditions everywhere, named for Ernst Sejersted Selmer and central to descent on elliptic curves.