All articles starting with S
44,216 articles
Stefon Diggs
Stefon Diggs, NFL wide receiver for the Washington Commanders; formerly Vikings, Bills, Texans, Patriots. Fifth-round 2015 pick, four Pro Bowls, two All-Pro, 11,504 career yards, seven 1,000-yard seasons, 2025 Super Bowl LX appearance.
STEGAL Gas Pipeline
STEGAL (Sachsen-Thüringen-Erdgas-Anbindungsleitung) is a 314 km natural gas pipeline in Germany, running from Olbernhau in Saxony to Reckrod in Hessen since 1992 and described as a route for importing Russian gas.
Steganalysis
Steganalysis is the set of information security techniques for detecting hidden messages embedded in digital media such as images, audio, and video, by finding statistical artifacts.
Steganography
Steganography is the practice of hiding a secret message inside an innocent-looking carrier such as an image, audio, or video, so that even the message's existence is concealed, unlike cryptography.
Stege (Martian crater)
Stege is an IAU-approved impact crater on Mars, Gazetteer feature ID 5689, about 77.50 km in diameter, centered at 3.76°N, 300.40°E near the Martian equator.
Steglich esterification
The Steglich esterification is a mild method for coupling carboxylic acids with alcohols or thiols using DCC and catalytic DMAP, reported by Neises and Steglich in 1978.
Stegodon
Stegodon, extinct Asian proboscidean genus (Stegodontidae), close relative of elephants, late Miocene to terminal Pleistocene, from China to Wallacea, with dwarf island species and Liang Bua Homo floresiensis association.
Stegodyphus sarasinorum
Stegodyphus sarasinorum, the Indian social or cooperative spider (Eresidae, Karsch 1892), lives in inbred colonies of up to several hundred spiders across India and nearby countries, cooperating in web building, prey capture, and brood care.
Stegosaurus
Stegosaurus, also known as Diracodon, is a genus of large, plated, herbivorous dinosaur from the Late Jurassic of North America, about 152 to 145 million years ago.
Stegra
Stegra, a Swedish company founded in 2020 as H2 Green Steel, is building a hydrogen-based green steel plant in Boden, northern Sweden, cutting CO2 emissions by up to 95%.
Stehekin, Washington
Stehekin, Washington: roadless unincorporated village at the head of 55-mile Lake Chelan in Lake Chelan NRA, reached only by ferry, barge, foot, or floatplane; about 80-104 year-round residents, hit by 2024 Pioneer Fire and December 2025 floods.
Stehelčeves
Stehelčeves, a village in Kladno District, Central Bohemia (also Stelčeves, Stelčoves), first recorded 1316; home of the Řivnáč-culture Homolka hillfort and rich Neolithic to early medieval archaeological finds.
Steichen (Mercurian crater)
Steichen is a 196-km-diameter impact crater on Mercury at 12.79S, 282.96E, named for American photographer-painter Edward Steichen (1879-1973), approved 2010; it hosts hollows and has model ages near 3.7-3.6 Ga.
Steierdorf Formation
Steierdorf Formation: Early Jurassic (Hettangian–Sinemurian) continental coal-bearing formation in the Reșița Basin, South Carpathians, Romania, at Anina; famed for over 120 fossil plant taxa, tetrapod tracks, and 1792–2006 coal mining.
Steiff
Steiff is a German soft toy manufacturer based in Giengen an der Brenz, founded in 1880 by Margarete Steiff and best known for making the first teddy bear.
Steigerwaldstadion
Steigerwaldstadion in Erfurt, Germany: football and athletics stadium of FC Rot-Weiß Erfurt, opened 1931 as Mitteldeutsche Kampfbahn, DDR-era Georgij-Dimitroff-Stadion, rebuilt 2015–2017 into an 18,600-seat multifunctional arena.
Steijn van Heijningen
Steijn van Heijningen (born 1997) is a Dutch field hockey midfielder for HC Rotterdam and the Netherlands. He won Olympic gold at Paris 2024, playing only the final, plus 2023 World Cup bronze and 2023 EuroHockey gold.
Stein
Stein (Netherlands), a Limburg municipality on the Meuse, is a major archaeological landscape: Bandkeramik farms from about 5300 BC, a unique Neolithic grave chamber of circa 3400 BC, a Roman villa of about 30 x 48 m excavated by Beckers and Remouchamps, and the Archeologisch Museum Stein.
Stein Aerts
Stein Aerts is a Belgian computational biologist and full professor at KU Leuven who studies how enhancers switch genes on, known for the SCENIC tools.
Stein am Rhein
Stein am Rhein: small medieval town in canton Schaffhausen, Switzerland, at the Rhine outflow of Lake Constance's Untersee. Known for painted facades, St. Georgen abbey museum, Hohenklingen Castle; 3,993 residents (2025), Zurich rule 1484-1798.
Stein Eriksen
Stein Eriksen (1927-2015), Norwegian alpine skier; won 1952 Oslo Olympic giant slalom gold and slalom silver, first non-Alpine-country Olympic alpine gold champion; later Deer Valley director of skiing.
Stein Mehren
Stein Mehren (1935–2017) was a Norwegian poet and essayist, regarded as one of the foremost lyricists in recent Norwegian literature, who published nearly 30 poetry collections and won major prizes.
Stein Rokkan
Stein Rokkan (1921–1979) was a Norwegian political scientist and sociologist, a founder of comparative politics and the first professor of sociology at the University of Bergen.
Stein variational gradient descent
Stein variational gradient descent (SVGD) is a particle-based variational inference algorithm introduced by Qiang Liu and Dilin Wang in 2016, which moves particles to approximate a target distribution.
Stein's method
Stein's method, also known as the Chen–Stein method, is a probability theory technique introduced by Charles Stein in 1972 for measuring how closely one distribution approximates another.
Steinar Amundsen
Steinar Amundsen (1945-2022), Norwegian sprint kayaker of the 'Gullfireren' quartet; Olympic K-4 1000 m gold 1968 and bronze 1972, world champion 1970 and 1975, 13 national titles.
Steiner system
A Steiner system S(t, k, v) is a combinatorial design in which v points and k-element blocks cover every set of t points exactly once.
Steiner tree problem
The Steiner tree problem, named after Swiss mathematician Jakob Steiner, asks for a minimum-cost tree connecting terminals in a graph or geometric space, and is NP-hard.
Steiner triple system
A Steiner triple system of order n is a set of n points whose triples cover every pair exactly once, existing only when n is 1 or 3 mod 6.
Steinernema carpocapsae
Steinernema carpocapsae (Neoaplectana carpocapsae, Weiser 1955) is an entomopathogenic nematode symbiotic with Xenorhabdus nematophila, an ambush forager sold as nemastar and Capsanem for biological control of caterpillars, weevils, and borers.