All articles starting with S
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SQLMesh
SQLMesh is an open source SQL/Python data transformation framework by Tobiko Data, later Fivetran and the Linux Foundation. Known for SQLGlot semantic parsing, Terraform-style plan/apply, virtual environments, and dbt compatibility.
SQSTM1
SQSTM1 (sequestosome 1, p62) is a human chromosome 5q35.3 gene encoding a 62 kDa ubiquitin-binding adaptor, the first selective autophagy receptor, regulating NF-κB, Keap1-Nrf2, and mTORC1; mutations cause Paget disease of bone, ALS, FTD, DMRV, and NADGP.
Squab
Squab: a young domestic pigeon under four weeks old, or its tender dark meat, from the rock pigeon Columba livia; China produces about 680 million squabs yearly, over 80% of global output.
Squabble Up
Squabble Up (stylized "squabble up") is a 2024 Kendrick Lamar song, track 2 and lead single of GNX, sampling Debbie Deb's "When I Hear Music"; it debuted at No. 1 on the Billboard Hot 100 with a Calmatic-directed video full of West Coast cultural references.
Squad
A squad is a small organized infantry unit, typically containing two or more fire teams. The U.S. Army is currently modernizing it through "Squad as a System."
Squad (U.S. Congress)
The Squad is the informal label for progressive Democratic House members, originally Alexandria Ocasio-Cortez, Ilhan Omar, Rashida Tlaib, and Ayanna Pressley, elected in 2018, named from a #SquadGoals orientation photo and later expanded to Bowman, Bush, Lee, and Casar.
Squad (video game)
Squad (video game): tactical 50v50 military FPS by Offworld Industries, Steam Early Access 14 Dec 2015, full release 23 Sep 2020, Unreal Engine 4 then 5, 13 factions, 24 maps, Squad 44 spinoff.
Squad automatic weapon
A squad automatic weapon (SAW) is a lightweight, one-man-portable automatic weapon issued at infantry squad level to suppress the enemy; in US service it names the M249.
Squad Busters
Squad Busters: Supercell crossover mobile action game with Clash of Clans, Brawl Stars, Hay Day, Clash Royale, and Boom Beach characters in 10-player gem-hunting matches. Soft launch April 2024, global May 29, 2024, development ended 2025, servers close December 14, 2026.
Squad Mission Equipment Transport
The Squad Mission Equipment Transport, officially the Squad Multipurpose Equipment Transport (SMET), is a US Army robotic mule that carries a squad's equipment and generates electrical power.
Squad number (association football)
Squad number (association football): fixed shirt number worn by a player for a season or tournament, replacing positional 1-11 numbering; began 1928 with Arsenal, fixed at the 1954 World Cup, Premier League squad numbers from 1993-94, UEFA range 1-99.
Squadron (aviation)
A squadron in aviation is the basic military air unit, made up of two or more flights and smaller than a group or wing, in air forces worldwide.
Squadron Supreme
Squadron Supreme is Marvel Comics' Justice League analogue team from parallel Earth-712, created by Roy Thomas in Avengers #85 (1971), best known for Mark Gruenwald's 1985 series in which the heroes take over the United States.
Squalamine
Squalamine (MSI-1256F, ENT-01, Evizon) is a cationic aminosterol isolated in 1993 from dogfish shark tissue; antimicrobial, antiangiogenic via NHE3 inhibition, trialed in cancer, AMD, and Parkinson's disease.
Squalane
Squalane is a saturated branched-chain hydrocarbon (C30H62) made by fully hydrogenating squalene; colorless and odorless, it is used chiefly as a stable emollient in cosmetics and as a lubrication research fluid.
Squalene
Squalene is a naturally occurring triterpene hydrocarbon, first identified in shark liver oil by Japanese chemist Tsujimoto Mitsumaru in 1916, and is the direct precursor of cholesterol, richest in olive oil.
Squalene monooxygenase
Squalene monooxygenase (squalene epoxidase, SQLE, Erg1) is an ER, FAD- and NADPH-dependent enzyme converting squalene to 2,3-oxidosqualene, the rate-limiting oxygenation step of cholesterol and ergosterol synthesis; target of terbinafine and NB-598.
Squalene synthase deficiency
Squalene synthase deficiency (SQSD, OMIM 618156) is a rare autosomal recessive cholesterol biosynthesis disorder caused by biallelic FDFT1 variants, marked by neonatal seizures, profound developmental delay, and farnesol-derived urine metabolites.
Squalene-hopene cyclase
Squalene-hopene cyclase, also known as EC 5.4.99.17, is a bacterial enzyme that cyclizes linear squalene to hopene in a single step, forming five rings and nine stereocenters to start hopanoid membrane lipid biosynthesis.
Squali
Squali (Sharks) is a 2025 Italian coming-of-age drama, Daniele Barbiero's debut, adapted from Giacomo Mazzariol's novel Gli squali, starring Lorenzo Zurzolo and James Franco, released 16 October 2025; distinct from Alberto Rizzi's 2024 film of the same title.
Squalidae
Squalidae, dogfish sharks, family of Squaliformes with genera Squalus and Cirrhigaleus, about 30-33 species in Atlantic, Indian, and Pacific Oceans; sister to all other squaliform families.
Squalius cephalus
Squalius cephalus, the European chub, is a Leuciscidae freshwater fish native to most of Europe, reaching 60 cm and 8 kg, spawning over gravel in fast rivers, IUCN Least Concern.
Squall
A squall is a sudden, strong increase in wind lasting minutes, often with a shower or thunderstorm; in nautical use it names the whole local storm.
Squall line
A squall line, also called a quasi-linear convective system, is a continuous or broken line of thunderstorms whose leading gust front produces strong gusty winds and heavy rain.
Squalodon
Squalodon, type genus of the Squalodontidae or shark-toothed dolphins, is an extinct heterodont odontocete named by Grateloup in 1840, known from Late Oligocene to Middle Miocene fossils and long used as a wastebasket for fragmentary teeth.
Squamanita
Squamanita is a genus of rare mycoparasitic agaric fungi in Squamanitaceae that parasitize fruiting bodies of other mushrooms (Amanita, Cystoderma, Hebeloma, Inocybe), deforming hosts into galls; 14 species accepted after the 2022 split creating Dissoderma.
Squamata
Squamata, the scaled reptiles: lizards, snakes, and amphisbaenians, over 10,000 species and over 95% of living reptile diversity. Sister to Rhynchocephalia (tuatara) in Lepidosauria; origin at least Middle Triassic ca. 242 Mya; major clades include Toxicofera.
Squamish, British Columbia
Squamish (Sḵwx̱wú7mesh) is a district municipality at the head of Howe Sound, British Columbia, on the Sea-to-Sky corridor. Formerly Newport until 1914; fastest-growing Canadian census agglomeration 2016–2021; economy of tourism, outdoor recreation, and forestry.
Squamosa promoter-binding protein
Squamosa promoter-binding protein (SBP/SPL) is a plant-specific transcription factor family defined by a ~76-amino-acid SBP DNA-binding domain with two zinc fingers, first found in Antirrhinum majus, regulating flowering, phase change, fruit development, and copper homeostasis, largely via miR156.
Squamous cell carcinoma of conjunctiva
Squamous cell carcinoma of conjunctiva (CSCC, ICD-11 2D00.2) is the invasive malignant end of ocular surface squamous neoplasia, driven by UV exposure, HIV immunosuppression, and possibly HPV, commonest in Africa, treated by excision, topical chemotherapy, or radiotherapy.