All articles starting with S
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Sichang Marine Animal Banks
Sichang Marine Animal Banks is a community marine conservation and breeding center on Ko Sichang, Chon Buri, Thailand, run by Chulalongkorn University and local fishermen to restock five species.
Sichen Shao
Sichen (Susan) Shao is a molecular and cell biologist, an HHMI Investigator since 2024, and an associate professor at Harvard Medical School known for work on ribosome-associated quality control.
Sicherheitsdienst
The Sicherheitsdienst (SD), or SS Security Service, was the intelligence agency of the SS and Nazi Party in Nazi Germany, established in 1931 under Reinhard Heydrich and declared a criminal organization at Nuremberg.
Sichuan (四川)
Sichuan, also spelled Szechuan, is a province in southwestern China known as the "Land of Abundance," with its capital at Chengdu and a population of 83.74 million in 2022.
Sichuan Airlines Flight 8633
Sichuan Airlines Flight 8633 was a 2018 flight from Chongqing to Lhasa whose cockpit windshield burst, causing explosive depressurization; Captain Liu Chuanjian landed it safely at Chengdu.
Sichuan Basin
Sichuan Basin (四川盆地), large closed sedimentary basin in southwest China covering Sichuan and Chongqing, ~260,000 km², ~500 m elevation. Superimposed foreland basin, major Chinese natural gas province, "Land of Abundance," cradle of Ba-Shu civilization.
Sichuan Biokin Pharmaceutical
Sichuan Biokin Pharmaceutical (四川百利天恒药业), also known as Baili Tianheng, is a Chinese biopharmaceutical company developing oncology drugs; its lead antibody-drug conjugate iza-bren was approved in China in 2026.
Sichuan Changshagongma Wetlands
Sichuan Changshagongma Wetlands (四川长沙贡玛湿地), a 669,800-ha alpine wetland Ramsar site (no. 2348, 2018) in Shiqu County, Sichuan, China; a National Nature Reserve since 2009 and key water source for the upper Yangtze and Yellow River.
Sichuan cuisine (川菜)
Sichuan cuisine (川菜), a Chinese regional cuisine from the Sichuan Basin, one of the eight great cuisines, defined by 27 compound flavor types, mala numbing-spice, late-Qing maturation, national intangible heritage status, and 2025 provincial legislation.
Sichuan Giant Panda Sanctuaries - Wolong, Mt Siguniang and Jiajin Mountains
Sichuan Giant Panda Sanctuaries (四川大熊猫栖息地), also Wolong, Mt Siguniang and Jiajin Mountains: UNESCO natural World Heritage Site since 2006 in Sichuan, China, holding over 30% of wild giant pandas across 924,500 ha.
Sichuan Military Commission
The Sichuan Military Commission (四川制置司) was the Southern Song dynasty's regional military-command office for Sichuan, directing border defense, campaigns, and horse administration, and alternating with the Sichuan Pacification Commission.
Sichuan pepper
Sichuan pepper, huajiao (花椒), also called Szechuan pepper or Chinese prickly ash, is the numbing citrus-family spice from Zanthoxylum husks; sanshools cause the tingle central to Sichuan mala cuisine.
Sichuan Road & Bridge
Sichuan Road & Bridge (SRBG) is a Chinese state-owned infrastructure contractor controlled by Sichuan province's Shudao Investment Group, and holds over 70% of Sichuan's expressway construction market.
Sichuan Road and Bridge Group
Sichuan Road and Bridge Group is a Chinese state-owned construction company headquartered in Chengdu, Sichuan, listed in Shanghai, one of China's largest road and bridge builders, with projects abroad.
Sichuan Ruoergai Wetland National Nature Reserve
Sichuan Ruoergai Wetland National Nature Reserve (四川若尔盖湿地国家级自然保护区), a 166,570 ha Ramsar reserve on the Qinghai-Tibet Plateau protecting the world's largest alpine peat swamp wetland and black-necked cranes, feeding the upper Yellow River.
Sichuan Teway Food Group
Sichuan Teway Food Group (四川天味食品集团), shortened to Teway Food, is a Chengdu-based compound seasoning maker known for its Haorenjia and Dahongpao hotpot base and cooking sauces.
Sichuan-Tibet Railway
The Sichuan-Tibet Railway (川藏铁路) is a 1,543-kilometer railway under construction between Chengdu and Lhasa, with its end sections open and the middle section expected around 2030.
Sichuan–Shanghai Gas Pipeline
The Sichuan–Shanghai Gas Pipeline (川气东送) is a 2,200-kilometer natural gas pipeline built by Sinopec that carries gas from the Puguang gas field in Sichuan to Shanghai.
Sicilia Regio
Sicilia Regio is a 174-km-wide regio on Miranda, Uranus's innermost large moon, centered at 30.0S, 317.2E, IAU-approved in 1988 and named for the setting of Shakespeare's The Winter's Tale.
Sicilian Defence
Sicilian Defence (1.e4 c5), also called Sicilian Defense: Black's most popular reply to 1.e4, an unbalanced counterattacking chess opening (ECO B20–B99) with the Najdorf, Dragon, Sveshnikov, and Scheveningen variations and a family of Anti-Sicilians.
Sicilian Defence, Dragon Variation
Sicilian Defence, Dragon Variation (ECO B70): chess opening 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 with a g7 fianchetto; met mainly by the Yugoslav Attack with opposite-side castling pawn storms.
Sicilian Defence, Najdorf Variation
Sicilian Defence, Najdorf Variation (ECO B90): Black chess opening after 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6, named for Miguel Najdorf; Fischer's and Kasparov's main Sicilian weapon.
Sicilian Expedition
The Sicilian Expedition (415-413 BC) was Athens' massive Peloponnesian War campaign against Syracuse, triggered by Segesta's appeal, led by Alcibiades, Nicias, and Lamachus, and ending in the total destruction of the Athenian fleet and army.
Sicilian language
Sicilian (sicilianu, lingua siciliana) is a Romance language, developed independently from Latin, spoken by about 5 million people in Sicily and parts of Calabria and Puglia, with no official status or standard orthography.
Sicilian Mafia
The Sicilian Mafia, known to its members as Cosa Nostra, is a federation of criminal families that arose in western Sicily in the nineteenth century.
Sicilian pizza
Sicilian pizza, or sfincione (sfincione), is a thick rectangular pan pizza from Palermo topped with tomato, onion, anchovy, caciocavallo, and breadcrumbs; the American New York version uses mozzarella and simpler sauce, and it spawned Detroit-style pizza in 1946.
Sicilian School
The Sicilian School was the first group of poets to write love lyric in an Italian vernacular, gathered at the court of Frederick II between 1220 and 1250.
Sicilian Vespers
Sicilian Vespers (Vespri siciliani): Easter 1282 rebellion at Palermo against Charles of Anjou, massacres of the French, and a twenty-year war ending at Caltabellotta (1302), which gave Sicily to the Aragonese and left Naples Angevin.
Sicilian Wars
The Sicilian Wars were intermittent conflicts between Carthage and the Greek states of Sicily, above all Syracuse, from before 480 BC until Rome conquered the island in 241 BC.
Sicilians
Sicilians: natives and inhabitants of Sicily, Italy's largest island region. Identity (sicilianità) shaped by Siculi, Greek, Arab, Norman layers; Sicilian language; large diaspora; special 1946 autonomy.