All articles starting with S
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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.
STS-4
STS-4 was the fourth and final orbital flight test mission of NASA's Space Shuttle program, flown by Columbia from June 27 to July 4, 1982.
STS-51-B
STS-51-B was the 17th flight of NASA's Space Shuttle Program and the seventh flight of Challenger, launched on April 29, 1985, carrying the Spacelab-3 laboratory for microgravity research.
STS-51-F
STS-51-F was a 1985 Space Shuttle mission, the 19th in the program and Challenger's eighth flight, which carried the Spacelab 2 laboratory and flew the program's only Abort To Orbit.
STS-51-L
STS-51-L was the 25th Space Shuttle mission and the tenth flight of Challenger, which broke apart 73 seconds after liftoff on January 28, 1986, killing all seven crew members.
STT3A-CDG
STT3A-CDG (CDG type Iw, OMIM 615596) is an ultra-rare congenital disorder of N-linked glycosylation from STT3A gene mutations, causing developmental delay, intellectual disability, failure to thrive, hypotonia, and seizures; recessive and dominant forms exist.
STT3B-CDG
STT3B-CDG (CDG-Ix, OMIM 615597) is a rare autosomal recessive N-glycosylation disorder caused by STT3B mutations, with hypotonia, developmental delay, seizures, and near-normal transferrin, so exome sequencing is often needed.
STTEPP trial
STTEPP (NCT05603702) is a phase 1 Indiana University dose-escalation trial of lacosamide added to opioids in painful chronic pancreatitis, testing safety, tolerability, and dose-limiting toxicity against opioid-induced hyperalgesia.
Stu Cook
Stu Cook (born 1945, Oakland, California) is the founding bassist of Creedence Clearwater Revival (1959–1972), a 1993 Rock and Roll Hall of Fame inductee, and co-founder with Doug Clifford of Creedence Clearwater Revisited, which played 1,755 shows from 1995 to 2020.
Stu Hart
Stu Hart (Stewart Edward Hart, 1915-2003), Canadian wrestler, promoter and trainer, founder of Stampede Wrestling and the Hart Dungeon in Calgary, patriarch of the Hart family, father of Bret and Owen Hart, WWE Hall of Fame 2010.
Stu Phillips
Stu Phillips (Stuart G. Phillips) is a technology investor who served as a Managing Director at Insight Partners from 2016 to 2026, after venture roles at Bay Partners and U.S. Venture Partners.