All articles starting with S
44,216 articles
Selaginella
Selaginella (spikemoss) is a cosmopolitan genus of about 750 heterosporous lycophyte species with ligulate four-ranked leaves and terminal strobili, dating to roughly 383 million years ago, including resurrection plants like S. lepidophylla.
Selaginella lepidophylla
Selaginella lepidophylla, the resurrection plant or false rose of Jericho, is a Chihuahuan desert lycophyte that survives >95% water loss for decades, curling into a ball when dry and reviving on rehydration.
Selaginellaceae
Selaginellaceae (spikemoss family), a lycophyte family with the single genus Selaginella, about 700–800 species worldwide; ligulate leaves, heterospory, rhizophores, split into 7 subfamilies and 19 genera in 2023.
Selaginellales
Selaginellales is an order of lycophytes containing one family, Selaginellaceae, and one genus, Selaginella (spikemoss), with about 750 heterosporous, ligulate-leaved species worldwide except Antarctica, dating to the Late Devonian.
Selah (סֶלָה)
Selah (סֶלָה) is a Hebrew word occurring 74 times in the Hebrew Bible, 71 times in the Psalms and three times in Habakkuk 3, whose meaning is disputed.
Selah Marley
Selah Marley, American model and singer, daughter of Lauryn Hill and Rohan Marley, granddaughter of Bob Marley; known for Calvin Klein, Yeezy, Chanel, Ivy Park work and the 2021 EP Star Power.
Selah Merrill
Selah Merrill (1837–1909) was an American Congregationalist pastor and Holy Land archaeologist who served three terms as US consul in Jerusalem and wrote Ancient Jerusalem.
Selah Sue
Selah Sue, the stage name of Sanne Putseys, born 1989 in Leefdaal, Belgium, is a singer-songwriter who broke through with "Raggamuffin" in 2010 and topped the Belgian charts with her 2011 debut album.
Selahattin Demirtaş
Selahattin Demirtaş (born 1973), Turkish-Kurdish lawyer and politician, co-chair of the BDP and HDP, 2014 and 2018 presidential candidate, imprisoned since 2016 despite ECtHR release orders; sentenced to 42 years in 2024.
Selamta
Selamta (ሰላምታ) is an Amharic word meaning "greeting", built on the root salām, "peace". The name also covers Ge'ez salām-hymns and a Bagana lyre scale.
Selangor
Selangor (Selangor Darul Ehsan), Malaysia's most populous state on the west coast of Peninsular Malaysia; capital Shah Alam, royal town Klang; largest state GDP contributor, 6.3% growth in 2025, nine districts.
Selangor Sultanate
The Selangor Sultanate is the Malay royal dynasty that has ruled Selangor, Malaysia, since 1756, when the Bugis prince Raja Lumu was installed as its first sultan, Sultan Salehuddin Shah.
Selar crumenophthalmus
Selar crumenophthalmus, the bigeye scad (akule in Hawaii), is a circumtropical carangid fish forming huge nocturnal schools, fished commercially across the Indo-Pacific, Atlantic, and eastern Pacific, IUCN Least Concern.
Selaroides leptolepis
Selaroides leptolepis, yellowstripe scad (ikan selar kuning), a small tropical carangid jack of the Indo-West Pacific, sole species of Selaroides; schooling demersal fish to 22 cm, commercially important in Southeast Asia, IUCN Least Concern.
Selasphorus
Selasphorus is a genus of small rufous-plumaged hummingbirds (Trochilidae) described by Swainson in 1832, including the rufous, Allen's, and broad-tailed hummingbirds of western North America, migratory, hybridizing, with a southern Costa Rica–Panama group.
Selassie Ibrahim
Selassie Ibrahim is a Ghanaian actress and media executive who founded Smarttys Management and Productions. She is also the Executive Director of the Regal Film Festival and Awards.
Selatogrel
Selatogrel (ACT-246475) is an investigational reversible P2Y12 inhibitor given subcutaneously, in Phase 3 (SOS-AMI, NCT04957719) for self-administration at suspected heart attack; developed by Idorsia, now Viatris.
Selayang Baru Utara
Selayang Baru Utara is a populated place in Gombak District, Selangor, Malaysia (GeoNames 7795834), recorded at 3.2549 N, 101.6668 E with a population of 542,409, elevation 76 m, postal code 68100, near Bandar Baru Selayang.
Selayar Island
Selayar Island (Pulau Selayar), a roughly 80 km long island off southern South Sulawesi, Indonesia; main island of Selayar Islands Regency, historic cotton and spice-trade hub, home of the world's largest Dongson bronze drum, and gateway to Taka Bonerate National Park, the world's third-largest atoll.
Selberg trace formula
The Selberg trace formula is an identity in harmonic analysis, introduced by Atle Selberg in 1956, that equates a sum over Laplace eigenvalues with a sum over closed geodesics.
Selbia
Selbia is a traditional three-in-a-row alignment board game from Bordj Bou Arreridj, Algeria, early twentieth century; 3x3 line board with diagonals, three pieces per player, placement only, documented by Robert 1921 and the Ludii database (DLP.Games.1557).
Selçuk Bayraktaroğlu
Selçuk Bayraktaroğlu (born 1961, Artvin) is a Turkish army general and 32nd Chief of the General Staff, appointed 5 August 2025 after serving as Land Forces Commander and Deputy Chief of the General Staff.
Seldinger technique
The Seldinger technique is a percutaneous access method introduced by Sven Ivar Seldinger in 1953, in which a guidewire passed through a hollow needle allows catheter placement without surgical cut-down.
SELE
SELE (selectin E; also ELAM1, CD62E, LECAM2) is a human protein-coding gene at 1q24.2 encoding E-selectin, a cytokine-induced endothelial adhesion molecule that mediates leukocyte tethering and rolling at inflammatory sites via sialyl-Lewis x ligands such as PSGL-1.
SELECT - PsA 1 trial
SELECT-PsA 1 (NCT03104400), AbbVie-funded phase 3 trial of upadacitinib (Rinvoq) 15 and 30 mg versus placebo and adalimumab in 1,704 psoriatic arthritis patients with inadequate non-biologic DMARD response; ACR20 70.6/78.5% versus 36.2% placebo at week 12.
Select board
Select board (board of selectmen): executive arm of New England town government, typically three or five elected members. Originated in Dorchester, Massachusetts, 1633; carries out town meeting votes, warrants, appointments, and licensing.
Select fire
Select fire, also called selective fire, is a firearm's capability to be switched by the user among modes such as safe, semi-automatic, three-round burst, and full automatic fire.
Select Star (company)
Select Star is a San Francisco data catalog company founded in 2020 by Shinji Kim, offering automated lineage, popularity metrics, and Ask AI; acquired by Snowflake in November 2025.
SELECT trial (NCT03574597)
SELECT (NCT03574597), the Semaglutide Effects on Cardiovascular Outcomes in People with Overweight or Obesity trial, was Novo Nordisk's phase 3 trial showing once-weekly semaglutide 2.4 mg cut major adverse cardiovascular events 20% in 17,604 adults with cardiovascular disease and overweight or obesity but no diabetes.
Select Water Solutions
Select Water Solutions is an American water management and chemical company for the oil and gas industry, founded in 2008 and headquartered in Gainesville, Texas.