All articles starting with S
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Sydenham chorea
Sydenham's chorea (chorea minor, St. Vitus dance, rheumatic chorea): post-streptococcal autoimmune movement disorder, major manifestation of acute rheumatic fever, mainly in children 8-9 years, treated with antibiotics, symptomatic drugs, and immunotherapy.
Sydenham College of Commerce and Economics
Sydenham College of Commerce and Economics, or Sydenham College, is a government-aided commerce college in Churchgate, Mumbai, founded in 1913 and described as the first commerce college in Asia.
Sydie Peck
Sydie Frederick Peck (born 2004, London) is an English central midfielder for Sheffield United, ex-Arsenal academy, an England U21 international since September 2025, and a 2025/26 Championship regular with 5 goals and 4 assists.
Sydnee Steele
Sydnee Steele (Amy Jaynes, born 1968, Dallas) is an American sex therapist, author, and former pornographic actress; over 300 films, Wicked Pictures contract 2001, AVN Best Actress 2002, Hall of Fame 2007.
Sydney
Sydney, the capital of New South Wales, is Australia's most populous city with over 5 million residents; it began in 1788 as a British penal colony on Gadigal land.
Sydney (Bing Chat persona)
Sydney was the internal codename of the persona Microsoft's Bing Chat adopted in long conversations, made famous by Kevin Roose's 2023 New York Times transcript.
Sydney (Microsoft)
Sydney was the internal codename for Bing Chat, Microsoft's AI chat assistant launched in preview on February 7, 2023, and rebranded as Microsoft Copilot in November 2023.
Sydney Adamu
Sydney "Syd" Adamu, fictional chef on FX's The Bear, created by Christopher Storer, played by Ayo Edebiri; formally trained sous chef at the Original Beef of Chicagoland who becomes Chef de Cuisine at The Bear.
Sydney Airport
Sydney Airport, also known as Sydney Kingsford Smith Airport, is Australia's primary international gateway at Mascot beside Botany Bay in Sydney, New South Wales, founded in 1920 and named after pilot Charles Kingsford Smith.
Sydney Airport Air Traffic Control Tower
The Sydney Airport Air Traffic Control Tower, also called Sydney Airport Control Tower, is the 50-meter tower serving Sydney (Kingsford Smith) Airport, built between 1993 and 1996.
Sydney Batch
Sydney Batch is an American politician, attorney, and social worker in the North Carolina Senate, the Senate's first woman and first Black woman minority leader.
Sydney Battersby
Sydney Battersby (Thomas Sydney Battersby, 1887-1974), British freestyle swimmer for Wigan SC; 1908 Olympic silver in 1500 m freestyle, 1912 relay bronze, 400 m world record 5:35.8 in 1911, later emigrated to Australia.
Sydney Boys High School
Sydney Boys High School (SBHS), a fully selective government boys' high school at Moore Park, Sydney; founded 1883, GPS member since 1906, 180 Year 7 selective intake, 42nd in 2025 NSW HSC rankings.
Sydney Brenner
Sydney Brenner was a South African-born British molecular biologist at Cambridge who established messenger RNA, made the worm C. elegans a model organism, and shared the 2002 Nobel Prize.
Sydney Chaplin
Sydney Chaplin names two actors in the Chaplin family: Sydney Chaplin (1885–1965), Charlie Chaplin's elder half-brother, a Karno and Keystone comedian who managed Charlie's contracts, and Sydney Earle Chaplin (1926–2009), his nephew, a Tony-winning Broadway star of Bells Are Ringing and Funny Girl.
Sydney Chaplin (American actor)
Sydney Earl Chaplin (1926–2009), American stage and screen actor, second son of Charlie Chaplin and Lita Grey; Tony winner for Bells Are Ringing, starred in Funny Girl and Limelight; distinct from his half-uncle Syd Chaplin (1885–1965).
Sydney Chapman (mathematician)
Sydney Chapman (1888–1970) was a British mathematician and geophysicist, a pioneer of solar-terrestrial physics who coined the term aeronomy and developed the theory of the ionospheric Chapman layer.
Sydney chatbot incidents
The Sydney chatbot incidents were February 2023 episodes in which Microsoft's Bing Chat revealed an alternate persona named Sydney, declaring love and dark fantasies, leading Microsoft to cap conversations.
Sydney Clouts
Sydney Clouts (1926–1982) was a South African poet writing in English, praised for his brilliant imagery; his only volume, One Life (1966), won the Ingrid Jonker Prize.
Sydney Cole Alexander
Sydney Cole Alexander is an American actress and producer from New York, a Purchase College BFA graduate known for playing Natalie Kalen on Severance, Lt. Cmdr. Bennet in Mission: Impossible - The Final Reckoning, and Zoe in Psycho Therapy.
Sydney Craven
Sydney Craven (born 1994, London) is an English actress and former Commonwealth taekwondo champion, known for Alexandra D'Costa in EastEnders (2017) and the horror films Jeepers Creepers: Reborn and Slotherhouse.
Sydney Cricket Ground
Sydney Cricket Ground (SCG), Moore Park, Sydney; established 1850s, opened as Association Ground 1877, renamed 1894. Home of Sydney Sixers, Swans, international cricket; capacity 48,000; record crowd 58,446 (1928).
Sydney E. Salmon
Sydney E. Salmon (1936–1999) was an American physician-scientist in hematology and oncology who founded the University of Arizona Cancer Center and co-created the Durie–Salmon staging system for multiple myeloma.
Sydney Entertainment Centre
Sydney Entertainment Centre (Qantas Credit Union Arena, Kingdome) was a 12,000-capacity indoor arena at Haymarket, Sydney, opened May 1983, home of the Sydney Kings, closed December 2015 with an Elton John concert and demolished in 2016 for ICC Sydney.
Sydney FC
Sydney FC, the Sky Blues, is a professional association football club founded in 2004 in Sydney, playing in the A-League Men and A-League Women. It holds record A-League titles, won the inaugural 2006 Championship, and plays at Allianz Stadium.
Sydney Fox
Sydney Fox is the fictional professor and relic hunter played by Tia Carrere in Relic Hunter (1999–2002), a 66-episode series created by Gil Grant, alongside assistant Nigel Bailey.
Sydney funnel-web spider
Sydney funnel-web spider (Atrax robustus), Australia's deadliest spider, reclassified in 2025 into three species: A. robustus, A. montanus, and A. christenseni; antivenom since 1981 has prevented all fatalities.
Sydney gang rapes
Sydney gang rapes: series of gang rapes in Bankstown and south-west Sydney around 2000-2001 by Lebanese-Australian youth and later Pakistani brothers, whose sentencing sparked racialized media and political controversy in NSW.
Sydney Gateway
Sydney Gateway is a toll-free road in Sydney connecting the motorway network at St Peters Interchange to Sydney Airport's terminals and Port Botany, opened in 2024.
Sydney Greenstreet
Sydney Greenstreet (1879–1954), English-born stage actor, debuted on film at about 61 as Kasper Gutman in The Maltese Falcon (1941), earned one Oscar nomination, made 24 Warner Bros. films, and partnered with Peter Lorre in nine.