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Struggle session (批斗大会)
Struggle session (批斗大会, pidou), also denunciation rally, was a CCP mass denunciation ritual used in land reform (1946–1952) and the Cultural Revolution, where targets were publicly humiliated, beaten, and forced to confess.
Strukton
Strukton is a Dutch construction and engineering group headquartered in Utrecht, founded in 1921 as the railways' construction arm, that builds and maintains rail, road, water, and energy infrastructure.
Strung
Strung (formerly Help) is a 2026 psychological thriller directed by Malcolm D. Lee, written by Alan B. McElroy, starring Chloe Bailey as a violinist tutoring a wealthy family's daughter; a Blumhouse-Tyler Perry Peacock film.
Strut-and-tie method
The strut-and-tie method is a design procedure for reinforced and prestressed concrete used where beam theory fails, such as deep beams, corbels, and pile caps.
Struther Arnott
Struther Arnott (1934–2013) was a Scottish molecular biologist and X-ray crystallographer who determined DNA, RNA, and carbohydrate structures, developed linked-atom least-squares refinement, and served as Principal of the University of St Andrews.
Struthio
Struthio is the ostrich genus (Linnaeus, 1758) of large flightless African ratites, with two living species, common and Somali ostrich, a rich Eurasian-African fossil record, and record running speed and egg size among birds.
Strutt's Park Roman fort
Strutt's Park Roman fort: earliest Roman fort of Derby, Derbyshire, on the west bank of the River Derwent, established c. AD 50 and abandoned c. AD 80 for the Derventio fort at Little Chester.
Struve (lunar crater)
Struve is a 164.34 km IAU-named lava-flooded lunar crater at 23.41°N, 76.65°W on the Moon's western limb, named for astronomer Otto Struve, conjoined with Russell and part of the Russell-Struve shield volcano complex.
Struve Geodetic Arc
The Struve Geodetic Arc is a chain of survey points from Norway to the Black Sea, measured 1816 to 1855 under Friedrich Struve and listed by UNESCO in 2005.
Struvite crystallization
Struvite crystallization is a precipitation method that recovers magnesium, ammonium, and phosphate from wastewater and urine as magnesium ammonium phosphate crystals, sold as slow-release fertilizer.
Struvite precipitation
Struvite precipitation is a chemical process that recovers ammonium and phosphate from wastewater as crystals of magnesium ammonium phosphate, typically removing 80–90% of soluble phosphorus for use as fertilizer.
Struwwelpeter
Struwwelpeter (Shock-headed Peter, Slovenly Peter) is Heinrich Hoffmann's 1845 German children's picture book of ten rhyming cautionary tales, written for his son Carl, translated into 1848 English and over 35 languages, and spawning parodies such as Struwwelhitler.
Strychnine
Strychnine is a highly poisonous plant alkaloid, found in the seeds of Strychnos trees and best known as a rodenticide and as a classic antagonist of the glycine receptor.
Strychnine poisoning
Strychnine poisoning, also called strychnine intoxication, is glycine-receptor blockade from Strychnos nux-vomica alkaloid, causing painful conscious muscle spasms, respiratory failure, and often death; treated with benzodiazepines and supportive care.
Strychnos
Strychnos L., a pantropical genus of about 200 species in Loganiaceae (trees, shrubs, spiny lianas), source of strychnine from Strychnos nux-vomica seeds; strongly monophyletic with 12 clades, most sections non-monophyletic.
Strychnos nux-vomica
Strychnos nux-vomica (maqianzi, Kupilu, Tumdgha), the strychnine tree of Loganiaceae, is a tropical Asian tree whose seeds yield strychnine and brucine, used in Ayurvedic, Chinese and Tibetan medicine after detoxification processing.
Stryfe
Stryfe (Nathan Christopher Charles Summers) is a Marvel Comics supervillain, the mutant clone and nemesis of Cable, leader of the Mutant Liberation Front, and antagonist of the 1992 X-Cutioner's Song crossover, created and raised by Apocalypse.
Stryker
The Stryker is a family of eight-wheeled armored combat vehicles used by the United States Army, based on the Canadian LAV III and first used in combat in Iraq in 2003.
Stryker Corporation
Stryker Corporation, Kalamazoo, Michigan medical device maker founded by Homer Stryker (1941, incorporated 1946). $25.1B FY2025 sales across MedSurg & Neurotechnology and Orthopaedics; Mako surgical robot, Inari acquisition, hip-implant recalls distinguish it.
Stryper
Stryper, also known by its original name Roxx Regime, is an American Christian metal band formed in 1983 in Orange County, California, famous for the multiplatinum 1986 album To Hell with the Devil, over 10 million albums sold, and MTV crossover hits.
Stryphnodendron
Stryphnodendron (barbatimão) is a Neotropical Fabaceae genus of tannin-rich trees and suffrutices from Nicaragua to southern Brazil, split in 2022 into Stryphnodendron s.str., Gwilymia, and Naiadendron, with bark used in Brazilian folk medicine.
Strzelecki Desert
Strzelecki Desert: arid linear-dune desert in northeastern South Australia extending into Queensland and NSW, 80,250 km², named via Strzelecki Creek after explorer Paul Edmond de Strzelecki, drained by Cooper Creek, with Cooper Basin petroleum fields.
STS-1
STS-1 was the first orbital flight of NASA's Space Shuttle program, launched on April 12, 1981, with the orbiter Columbia carrying commander John Young and pilot Robert Crippen.
STS-107
STS-107 was the 113th Space Shuttle mission and the 28th and final flight of Columbia, a 16-day microgravity and Earth science research mission.
STS-115
STS-115, designated ISS-12A, was a Space Shuttle mission flown by Atlantis from September 9 to 21, 2006, delivering the P3/P4 truss to the International Space Station.
STS-121
STS-121 was a 2006 NASA Space Shuttle mission flown by Discovery to the International Space Station, the second return-to-flight test mission after the 2003 Columbia accident.
STS-125
STS-125, also designated Servicing Mission 4, was a 2009 Space Shuttle mission flown by Atlantis to service the Hubble Space Telescope, the fifth and final astronaut visit.
STS-135
STS-135 was the 135th and final Space Shuttle mission, flown by Atlantis in July 2011 to deliver more than 9,400 pounds of supplies to the International Space Station.
STS-27
STS-27 was a classified Department of Defense Space Shuttle mission flown by Atlantis in December 1988, deploying a reconnaissance satellite reported as the first Lacrosse radar-imaging spacecraft.
STS-31
STS-31 was the 35th mission of NASA's Space Shuttle program, flown by Discovery from April 24 to 29, 1990, to deploy the Hubble Space Telescope into the highest Shuttle orbit to date.