All articles starting with S
44,216 articles
Sissy
Sissy is a derogatory American term for a man or boy perceived as weak or effeminate. It originated from the word sister in the late 1800s.
Sissy hypno
Sissy hypno, also known as sissy hypnosis or autogynephilic persuasive pornography, is a genre of online pornography using edited mainstream videos with persuasive captions or audio encouraging erotic self-feminization.
Sissy Schwarz
Sissy Schwarz (Elisabeth Schwarz-Bollenberger, born 19 May 1936, Vienna), Austrian pair skater with Kurt Oppelt: 1956 Olympic, World, and European pairs champion, five-time Austrian champion, also 1952 Olympian in singles.
Sissy Spacek
Sissy Spacek, also known as Mary Elizabeth Spacek, is an American actress born 1949 in Quitman, Texas, who won the Best Actress Oscar for Coal Miner's Daughter (1980) and earned six Best Actress nominations, including for Carrie, Missing, and In the Bedroom.
Sist
Sist was the land revenue tax of the Vijayanagara Empire, generally one-sixth of the gross produce though sometimes raised to fifty percent, and it remained a byword into the British period.
Sistan (سیستان)
Sistan (سیستان), also Sakastan or Sijistan, is a historical region of the lower Helmand basin straddling the Iran-Afghanistan border, home of the 9th-century Saffarid dynasty and subject of the Persian Tarikh-e Sistan.
Sistan and Baluchestan
Sistan and Baluchestan (سیستان وبلوشستان), Iran's southeastern province with capital Zahedan, borders Afghanistan and Pakistan. Predominantly Sunni and Baloch, it ranks last among Iranian provinces in development and faces drought, dust storms, and the Jaish al-Adl insurgency.
Sistar (씨스타)
Sistar (씨스타), a four-member K-pop girl group from Starship Entertainment, debuted June 3, 2010 with "Push Push" and disbanded in 2017. Known for summer hits "Loving U," "Touch My Body," and "Shake It," and the sub-unit SISTAR19.
Sistas (TV series)
Tyler Perry's Sistas is a BET comedy-drama premiering October 23, 2019, following four single Black women in Atlanta (Andi, Danni, Karen, Sabrina). Now in its 10th season with 212 episodes, spinoffs Zatima and Divorced Sistas, and top cable ratings among Black adults 18-49.
SiSTEM-NEO trial
SiSTEM-NEO (NCT07018739) is a Mahidol University pilot double-blind trial at Siriraj Hospital, Bangkok, testing three IV infusions of Wharton's jelly MSCs (2×10^6 cells/kg) after cooling in 40 infants with neonatal HIE.
Sistema Arrecifal Veracruzano Biosphere Reserve
Sistema Arrecifal Veracruzano Biosphere Reserve (Parque Nacional Sistema Arrecifal Veracruzano): UNESCO MAB reserve off Veracruz, Mexico, nominated 2006, 961,268 ha; national park created 1992, expanded 2012; first mass coral bleaching 2023.
Sistema de Humedales de la Bahía de Bluefields
Sistema de Humedales de la Bahía de Bluefields: Nicaraguan Ramsar wetland site (86,501 ha, designated 2001) around Bluefields Bay coastal lagoon, fed by the Río Escondido basin; distinct from Bluefields Bay, Jamaica.
Sistema de Humedales de la Zona Sur de Honduras
Sistema de Humedales de la Zona Sur de Honduras, Ramsar site no. 1000: seven coastal wetland areas on the Golfo de Fonseca (Choluteca and Valle), designated 10 July 1999, 69,711 ha extended to 75,031.13 ha, mangrove ecosystem threatened by shrimp aquaculture.
Sistema de Humedales Remanentes del Delta del Río Colorado
Sistema de Humedales Remanentes del Delta del Río Colorado, Ramsar site 1822: a 127,614 ha wetland of international importance in Baja California and Sonora, Mexico, designated 2 February 2008, protecting remnant Colorado River Delta wetlands along the Pacific Flyway.
Sistema Delta Estuarino del Río Magdalena, Ciénaga Grande de Santa Marta
Sistema Delta Estuarino del Río Magdalena, Ciénaga Grande de Santa Marta (SDERM CGSM): Colombia's largest coastal lagoon and first Ramsar site (1998, site 951), a Caribbean brackish wetland hit by causeway-driven mangrove die-off, partially rehabilitated by 1990s dredging, and invaded by Hydrilla verticillata in 2025.
Sistema Dos Ojos
Sistema Dos Ojos, a flooded cave system near Tulum, Quintana Roo, Mexico, named for two eye-like cenotes. About 84 km long, it was connected to Sistema Sac Actun in January 2018 and absorbed as its Dos Ojos region; El Pit reaches 119 m.
Sistema Hidrológico de Soncor del Salar de Atacama
Sistema Hidrológico de Soncor del Salar de Atacama, Ramsar Site 876 (designated 2 December 1996, 67,133 ha), is a Chilean high-Andean wetland of shallow saline lagoons (Puilar, Chaxa, Barros Negros) fed by eastern groundwater, a key breeding site for three flamingo species within Los Flamencos National Reserve.
Sistema Lagunar Agiabampo - Bacorehuis - Río Fuerte Antiguo
Sistema Lagunar Agiabampo-Bacorehuis-Río Fuerte Antiguo, Ramsar site 1797, is a 90,804 ha five-lagoon coastal wetland on the Sonora-Sinaloa border, Gulf of California, designated 2 February 2008, with mangroves, migratory birds, and blue shrimp habitat.
Sistema Lagunar San Ignacio - Navachiste - Macapule
Sistema Lagunar San Ignacio-Navachiste-Macapule (Ramsar site 1826) is a 79,873-ha coastal lagoon system in northern Sinaloa, Mexico, with three bays, mangroves, 21 at-risk species, and shrimp fisheries.
Sistema Nacional de Gasoductos (SNG)
The Sistema Nacional de Gasoductos (SNG) is Mexico's core natural gas transmission network, a roughly 8,582-kilometer pipeline system operated by CENAGAS and serving industrial, electric, and distribution users.
Sistema Ox Bel Ha
Sistema Ox Bel Ha ("Three Paths of Water") is the world's longest underwater cave, a flooded karst system south of Tulum, Quintana Roo, Mexico, surveyed at 541,791 m by CINDAQ in 2025, explored since 1997, and second only to Mammoth Cave among all caves.
Sistema Ripario de la Cuenca y Estero de San José del Cabo
Sistema Ripario de la Cuenca y Estero de San José del Cabo, Ramsar site 1827 (2008) and state ecological reserve in Los Cabos, Baja California Sur, Mexico; 124,219 ha, only freshwater coastal lagoon of the Cabo Region, 217 waterfowl species.
Sister (Frost Children album)
SISTER is the third studio album by sibling duo Frost Children (Angel and Lulu Prost), released September 12, 2025 on True Panther. A 14-track, 45-minute return to early-2010s EDM-pop with Kim Petras and Babymorocco features, scored 6.6 by Pitchfork.
Sister (production company)
Sister (SISTER), founded September 30, 2019 by Elisabeth Murdoch, Jane Featherstone, and Stacey Snider, is an independent global production company built on Sister Pictures, known for Chernobyl, Black Doves, and Eric; distinct from France's Sister Productions.
Sister Abhaya murder case
Sister Abhaya murder case: 1992 death of a 21-year-old Knanaya Catholic nun found in a well at St Pius X Convent, Kottayam, Kerala; closed as suicide, probed by the CBI, and in 2020 Father Thomas Kottoor and Sister Sephy were convicted of murder.
Sister Act
Sister Act (1992) is a Touchstone comedy directed by Emile Ardolino, starring Whoopi Goldberg as Reno singer Deloris Van Cartier hidden as a nun; also Maggie Smith, Harvey Keitel; $231 million worldwide gross.
Sister Act (musical)
Sister Act the Musical is a musical comedy with music by Alan Menken, based on the 1992 film Sister Act, which ran in the West End and on Broadway.
Sister Act 2: Back in the Habit
Sister Act 2: Back in the Habit is a 1993 Touchstone musical comedy sequel directed by Bill Duke, starring Whoopi Goldberg as Sister Mary Clarence teaching a San Francisco school choir, with Lauryn Hill; released December 10, 1993.
Sister Bliss
Sister Bliss, real name Ayalah Deborah Bentovim (born 1970), is a British keyboardist, producer, and DJ, founding member and primary composer of Faithless, creators of Insomnia, God Is a DJ, and We Come 1, with over 15 million records sold.
Sister Boniface Mysteries
Sister Boniface Mysteries is a 2022 BritBox British period crime drama, a Father Brown spin-off created by Jude Tindall, starring Lorna Watson as a 1960s crime-solving nun in Great Slaughter, Cotswolds.