All articles starting with S
44,216 articles
Scherzer rolling lift
A Scherzer rolling lift is a movable bascule bridge whose span rolls backward on curved segmental girders as it opens, patented by William Donald Scherzer in 1893.
Scheuermann's disease
Scheuermann's disease (Scheuermann's kyphosis, juvenile kyphosis): rigid adolescent hyperkyphosis defined by ≥5° anterior wedging of three consecutive vertebrae; treated with bracing or fusion surgery.
Schiaparelli (Martian crater)
Schiaparelli is a ~460-471 km wide ancient impact basin in eastern Terra Meridiani near Mars' equator, named for Giovanni Schiaparelli; best preserved large Martian impact structure, shallow floor with layered sediments.
Schiaparelli Dorsum
Schiaparelli Dorsum is Mercury's largest named wrinkle ridge, a 374 km, 776 m-high contractional ridge in Odin Planitia near 23N 164W, IAU-named in 1976 for Italian astronomer Giovanni Schiaparelli.
Schiaparelli Entry, Descent and Landing Demonstrator Module (EDM)
Schiaparelli was the European Space Agency's entry, descent, and landing demonstrator module for the ExoMars 2016 mission, which crashed during its Mars landing on 19 October 2016.
Schiavi
Schiavi: the Italic sanctuary (Templi Italici) at Schiavi d'Abruzzo, Chieti, Abruzzo; two Samnite temples of the 2nd-1st century BC with an Oscan inscription dated 90-88 BC.
Schickard (crater)
Schickard is a large, old impact crater on the southwest near side of the Moon, about 206 km across, named for the German astronomer Wilhelm Schickard.
Schieberamsch
Schieberamsch, a three-player negative point-trick card game from Skat and Schafkopf; the skat is passed around the table, each pass doubling the score, and the player taking most card points loses.
Schiehallion Oil and Gas Field
Schiehallion is a deepwater oil and gas field west of the Shetland Islands, discovered by BP in 1993 and producing through the Glen Lyon FPSO vessel.
Schienenzeppelin
The Schienenzeppelin, or Rail zeppelin, was an experimental German railcar built in 1930, propelled by an aircraft propeller; it reached 230.2 km/h in 1931, a record that stood until 1954.
Schießbefehl
Schießbefehl, the GDR "order to shoot," directed East German border troops to use firearms against citizens fleeing to the West; officially denied, informally lifted April 1989, abolished by Befehl 101/89 in December 1989.
Schiff base
A Schiff base, often considered synonymous with azomethine, is an imine bearing a hydrocarbyl group on nitrogen, named for Hugo Schiff, who reported the compounds in 1864.
Schilbach-Rott syndrome
Schilbach-Rott syndrome (SRS, BRSS, OMIM 164220) is an extremely rare autosomal dominant disorder with ocular hypotelorism, blepharophimosis, cleft palate, and hypospadias in males, described in 18 individuals.
Schilder disease
Schilder disease, or myelinoclastic diffuse sclerosis, is a rare progressive CNS demyelinating disorder of childhood (onset 5-14 years), a multiple sclerosis variant with fewer than 20 reported sporadic cases, predominantly male, often mimicking brain tumor or abscess.
Schiller (lunar crater)
Schiller is a markedly elongated impact crater in the Moon's southwestern highlands, about 179 km long and 71 km wide, making it the least circular large crater on the Moon.
Schiller Institute
Schiller Institute, international political and cultural organization founded 1984 by Helga Zepp-LaRouche, wife of Lyndon LaRouche; named after Friedrich Schiller; promotes New Bretton Woods, Eurasian Land-Bridge, classical culture.
Schilling telegraph
The Schilling telegraph, built by Baron Pavel Schilling, was an electromagnetic needle telegraph first demonstrated in Saint Petersburg in 1832 and regarded as the first practical electric telegraph.
Schilling test
Schilling test, a discontinued medical test for vitamin B12 absorption using oral radiolabeled cobalamin and 24-hour urine collection with a 1 mg flushing dose; introduced 1953, obsolete since the 2000s.
Schilthorn
Schilthorn, a 2,970 m Bernese Alps summit above Mürren, Switzerland, site of the Piz Gloria revolving restaurant and the 7 km Stechelberg cableway, filmed as the James Bond villain's base in On Her Majesty's Secret Service (1969), and a long-running alpine permafrost monitoring site.
Schindler Group
Schindler Group, also known as Schindler Holding, is a Swiss elevator and escalator company founded in Lucerne in 1874 that operates in more than 100 countries.
Schindler's Ark
Schindler's Ark (US title Schindler's List) is Thomas Keneally's 1982 Booker Prize-winning novel about Oskar Schindler, who saved over 1,000 Jews in Kraków; it inspired Spielberg's 1993 Oscar-winning film.
Schindler's List
Schindler's List (1993), Steven Spielberg's black-and-white drama adapted from Thomas Keneally's Booker-winning Schindler's Ark, stars Liam Neeson as Oskar Schindler, who saved over 1,100 Jews; it won seven Academy Awards including Best Picture.
Schindlerjuden
Schindlerjuden, also known as Schindler's Jews, were over 1,200 Jewish prisoners saved by Oskar Schindler in occupied Kraków and Brünnlitz, earning the Schindlers the Righteous Among the Nations award in 1993.
Schinus
Schinus is a genus of about 40 species of evergreen trees and shrubs in the cashew family, native to South America and best known as the source of pink peppercorns.
Schinus molle
Schinus molle (Peruvian peppertree, pirul, peppercorn tree), Anacardiaceae tree native to Peru to N. Chile and S. Brazil to NE. Argentina; drooping evergreen to 15 m, pink drupes sold as pink pepper, invasive in Australia, Hawaii, South Africa.
Schinzel's hypothesis H
Schinzel's hypothesis H is a 1958 conjecture in number theory stating that irreducible integer polynomials take prime values simultaneously for infinitely many integers, implying the twin prime conjecture.
Schiphol Group
Schiphol Group, formally Royal Schiphol Group N.V., is a Dutch airport operator majority owned by the Dutch state, which owns and operates Amsterdam Airport Schiphol and three regional airports.
Schipperke
Schipperke (Flemish for "little shepherd"): small black Belgian herding breed, barge watchdog and ratter from the Brussels-Leuven region; 1690 Brussels show, 1888 oldest Belgian breed club, 12-16 year lifespan, AKC Non-Sporting Group.
Schipperskwartier
Schipperskwartier (Skippers' Quarter) is Antwerp's historic red light district near the old port. Since the 1999 policy, window prostitution is confined to three streets, with about 300 windows and urban renewal from 2000 to 2007.
Schirenhof Roman Fort
Schirenhof Roman Fort (Kastell Schirenhof) was a Roman auxiliary fort near Schwäbisch Gmünd, Germany, on the Upper Germanic-Raetian Limes, occupied from about 150 to 260 AD.