All articles starting with S
44,216 articles
Sturmgeschütz IV
The Sturmgeschütz IV (StuG IV) was a German assault gun and tank destroyer of World War II, combining the StuG III superstructure and gun with the Panzer IV chassis.
Sturmian word
A Sturmian word, also known as a billiard sequence, is an infinite word over two letters with exactly n + 1 distinct subwords of each length n, the minimum for an aperiodic word.
Sturmtiger
The Sturmtiger, officially Sturmmörserwagen 606/4 mit 38 cm RW 61, was a German heavy assault gun built on the Tiger I chassis, of which only 18 were made.
Sturnella
Sturnella (meadowlarks) is a Vieillot 1816 genus of Icteridae songbirds, now limited to yellow-breasted North American meadowlarks (magna, neglecta, lilianae); South American red-breasted species moved to Leistes.
Sturniolo Triplets
Sturniolo Triplets: Nick, Matt, and Chris Sturniolo, identical triplet brothers born 2003 in Somerville, Massachusetts, known for car-based Q&A YouTube vlogs started October 2020, 7.7M subscribers, the Cut the Camera podcast, and individual brands.
Sturnira
Sturnira, the yellow-shouldered bats (Gray, 1842), is the most speciose frugivorous bat genus of Neotropical Phyllostomidae, with 22 species from Mexico to Argentina, Andean origin, and a signature Sturnira-Solanum seed-dispersal role.
Sturnus
Sturnus (starlings) is a genus of Sturnidae passerines erected by Linnaeus in 1758, now limited to the Common Starling Sturnus vulgaris and Spotless Starling S. unicolor; known for communal roosts, murmurations, and invasive status.
Sturt National Park
Sturt National Park, NSW's largest western park at 325,329 ha in the arid Corner Country near Tibooburra, borders Queensland and South Australia, contains Ramsar-listed Lake Pinaroo and the Dingo Fence, and hosts the Wild Deserts mammal reintroduction project.
Sturtian glaciation
The Sturtian glaciation was a global Snowball Earth glaciation of the Cryogenian Period, from about 717 to 660 million years ago, the longest in Earth history.
Stüssy
Stüssy is an American streetwear brand founded around 1980 by Laguna Beach surfboard shaper Shawn Stussy, who signed his boards and T-shirts with his scrawled surname; formally established in 1984 with Frank Sinatra Jr., it pioneered the International Stüssy Tribe and global streetwear.
Stuti Chintamani
Stuti Chintamani (Odia: ସ୍ତୁତି ଚିନ୍ତାମଣି) is a devotional poem of one hundred prayers composed in Odia by Bhima Bhoi, a foundational text of the Mahima Dharma tradition.
Stuti G. Shroff
Stuti G. Shroff is an anatomic and molecular pathologist specializing in gastrointestinal and hepatic pathology, an assistant professor at Harvard Medical School and Massachusetts General Hospital since 2018.
Stuttering
Stuttering (stammering) is a neurodevelopmental speech disorder of repetitions, prolongations, and blocks, affecting over 5% of preschool children, chronic in about 1% of adults, with genetic and neurogenic forms.
Stuttgart
Stuttgart, capital of Baden-Württemberg since 1952, is a German city of about 605,000 in the Neckar basin, a mobility-industry and financial center, home of Stuttgart 21 and Rosenstein, with a Climate Mobility Plan targeting 40% CO2 cuts by 2030.
Stuttgart 21
Stuttgart 21 (S21) is a German railway project converting Stuttgart's terminal main station into an underground eight-track through station, part of the larger Stuttgart–Ulm rail project.
Stuttgart Airport
Stuttgart Airport, also known as Manfred Rommel Airport or Echterdingen Airport, is the largest airport in Baden-Württemberg, Germany, serving Stuttgart with 9.6 million passengers in 2025.
Stutthof concentration camp
Stutthof: Nazi German concentration and extermination camp (1939-1945) near Sztutowo east of Gdansk, Poland; about 110,000 detainees and over 60,000 deaths, 105 subcamps, liberated by Soviet forces on May 9, 1945.
Stüve-Wiedemann syndrome
Stüve-Wiedemann syndrome is a rare autosomal recessive skeletal dysplasia, first described in 1971, causing bowed long bones, camptodactyly, hyperthermia, and respiratory distress that is usually fatal in infancy.
Stuxnet
Stuxnet is a computer worm discovered in June 2010 that sabotaged about 1,000 gas centrifuges at Iran's Natanz uranium enrichment plant, the first cyberweapon known to cause physical damage.
Stuyvesant High School
Stuyvesant High School (02M475), founded 1904 at 345 Chambers Street, Manhattan, is New York City's most selective testing specialized high school, admitting students solely by SHSAT score, with the highest cutoff (561 for 2026).
Stuyvesant Town–Peter Cooper Village
Stuyvesant Town–Peter Cooper Village, also called StuyTown, is a pair of adjoining middle-income apartment complexes on Manhattan's East Side, opened by MetLife in 1947 and home to about 30,000 residents.
Stvaranje
Stvaranje (Стварање, "Creation") is a literary and cultural journal of the Writers' Association of Montenegro, founded in Cetinje in 1946 and revived in Podgorica in 2016.
STX Entertainment
STX Entertainment, a Burbank, California independent film and TV studio founded in 2014 by Robert Simonds, made mid-budget star-driven films like Hustlers, Bad Moms, and Greenland; merged with Eros International in 2020, was sold to Najafi in 2022, and relaunched under A-CAP's Crown Productions in January 2026.
STXBP1
STXBP1 (syntaxin-binding protein 1, MUNC18-1) is a chromosome 9q34.1 gene; pathogenic variants cause STXBP1-related disorders, common monogenic developmental and epileptic encephalopathies with early-onset epilepsy, intellectual disability, and movement disorders.
STXBP1-related developmental and epileptic encephalopathy
STXBP1-related developmental and epileptic encephalopathy (STXBP1-DEE, EIEE4), also called STXBP1 encephalopathy, is a rare autosomal dominant disorder caused by de novo STXBP1/Munc18-1 variants, causing early-onset refractory epilepsy, intellectual disability, movement disorders, and autism features.
Sty
Sty (pigsty, pigpen): a pen or small building for housing pigs, from Old English sti/stig 'hall, pen'. Also means any filthy place; the eyelid sty is a separate word from stigan 'rise'.
Stybarrow oil field
Stybarrow is an offshore oil field in the Exmouth Sub-basin off Western Australia, discovered in 2003 and producing from 2007 to 2015 through the FPSO Stybarrow Venture.
Stye
Stye (hordeolum): a painful bacterial abscess of an eyelid gland, usually Staphylococcus aureus; external (Zeis/Moll glands) or internal (meibomian). Treated with warm compresses; distinct from a painless chalazion.
Styela
Styela is a genus of solitary ascidians, or sea squirts, in the family Styelidae, established by Fleming in 1822; it includes the invasive species Styela clava.
Styela clava
Styela clava, the clubbed or leathery tunicate (Herdman 1881), is a solitary NW Pacific sea squirt invasive on both North American coasts, Europe, Australia, and New Zealand, fouling mussels and aquaculture gear.