All articles A–Z

Siltuximab

Siltuximab (SYLVANT, CNTO 328) is a chimeric anti-IL-6 monoclonal antibody approved in 2014 for HIV-negative, HHV-8-negative multicentric Castleman disease, dosed 11 mg/kg IV every 3 weeks.

Silukkuvarupatti Singam (சிலுக்குவாருபட்டி சிங்கம்)

Silukkuvarupatti Singam (சிலுக்குவார்பட்டி சிங்கம்), 2018 Tamil action comedy directed by Chella Ayyavu, produced by and starring Vishnu Vishal with Regina Cassandra; a timid constable unknowingly arrests gangster Cycle Shankar, released 21 December 2018.

Silurian

The Silurian is a geologic period of the Paleozoic Era between the Ordovician and Devonian, established by Roderick Murchison in the 1830s from Welsh rocks.

Silurian and Devonian reef ecosystems

Silurian and Devonian reef ecosystems were reefs built by tabulate and rugose corals with stromatoporoid sponges, flourishing in tropical shallow seas from about 460 to 359 million years ago.

Silurian bivalves

Silurian bivalves are the fossil clams of the Silurian period, a cosmopolitan group that recovered after the end-Ordovician extinction yet stayed subordinate to brachiopods in abundance.

Silurian hypothesis

The Silurian hypothesis is a 2018 thought experiment by Gavin Schmidt and Adam Frank asking whether a prehuman industrial civilization would leave traces detectable today in the geological record.

Silurian-Devonian Terrestrial Revolution

The Silurian-Devonian Terrestrial Revolution was the mid-Palaeozoic radiation of vascular land plants, roughly 425-360 Ma, that built the land biosphere and drew arachnids, myriapods, hexapods, and tetrapods ashore, reshaping soils, weathering, and climate.

Siluridae

Siluridae, the sheatfishes, is a Eurasian family of catfishes (Rafinesque, 1815) with 12 genera and 108 species, defined by a long anal fin of 41-110 rays, no adipose fin, and the wels catfish Silurus glanis.

Silurus

Silurus (Linnaeus 1758) is a genus of about 18 Eurasian sheatfish catfishes (Siluridae), including the wels catfish S. glanis, up to 5 m and 330 kg, and the Amur catfish S. asotus; distinguished by XX/XY sex determination via amhr2y and an origin near China and Korea about 37.6 Ma.

Sep 20, 2026

Silva Arslanian

Silva A. Arslanian is a pediatric endocrinologist at the University of Pittsburgh who studies type 2 diabetes and obesity in youth, leading GLP-1 medication trials including liraglutide and semaglutide.

Silva Kaputikyan

Silva Kaputikyan (Սիլվա Կապուտիկյան), real name Sirvard, was an Armenian poet and public figure, born and died in Yerevan, best known for the poem "A Word to My Son."

Silva Method

Silva Method (originally Silva Mind Control), self-help and meditation program created by José Silva in Laredo, Texas, launched 1966; teaches alpha-state relaxation, visualization, and self-suggestion. Its paranormal claims (telepathy, remote healing) lack controlled scientific support.

Silva Mexes

Silva Mexes (Silva Mexes Tyler-Earnshaw, ซิลวา เม็กเซส ไทเลอร์), born 2010, Thai-English youth winger, son of Robert Earnshaw; Ipswich and Manchester United academies, Leeds United U18 from 2026; 3 Thailand U17 caps, 1 goal.

SILVA ribosomal RNA database

SILVA is a curated, regularly updated database of aligned 16S/18S (SSU) and 23S/28S (LSU) rRNA sequences for Bacteria, Archaea, and Eukarya, hosted by DSMZ; release 144 (2026) holds 905,628 SSU Ref NR99 sequences and ships DADA2, Kraken2, MEGAN, and Qiime2 classifiers.

Oct 15, 2026

Silvaco

Silvaco is a Santa Clara, California-based provider of technology computer-aided design (TCAD) and EDA software and semiconductor IP, founded in 1984 and public on Nasdaq since May 2024.

Silvae

The Silvae, Latin for "woods" or "raw material," are 32 occasional poems in five books by the Roman poet Statius, written probably between 89 and 96 CE.

Oct 20, 2026

Silvana Cruciata

Silvana Cruciata (born 1953, Napoli) is an Italian distance runner, 1976 Olympic 1,500 m heat eliminee, 1981 World Cup 3,000 m bronze medallist, and one-hour run world record holder at 18.084 km.

Silvana Mangano

Silvana Mangano (1930–1989), Italian film actress, star of Bitter Rice (Riso amaro, 1949), wife of producer Dino De Laurentiis, three-time David di Donatello winner, muse of Pasolini and Visconti, died in Madrid.

Silvana sin lana

Silvana sin lana is a 2016 Telemundo telenovela, the US adaptation of Chile's Pituca sin lucas, starring Maritza Rodríguez, Carlos Ponce, and Adriana Barraza; 121 Miami-filmed episodes aired 2016–2017.

Silvanidae

Silvanidae (silvanid flat bark beetles, grain beetles), family Kirby 1837 of Cucujoidea: about 58-61 genera, 500 species, two subfamilies, cosmopolitan except Antarctica; mostly fungivorous under bark, with Oryzaephilus stored-grain pests.

Sep 21, 2026

Silvano De Franceschi

Silvano De Franceschi, born in Milan in 1970, is an Italian experimental physicist at CEA Grenoble known for Kondo-effect work in carbon nanotubes and pioneering hole spin qubits.

Silvassa

Silvassa (Gujarati: સેલ્વાસ) is the capital of India's Union Territory of Dadra and Nagar Haveli and Daman and Diu, an industrial town between Gujarat and Maharashtra; 98,265 residents (2011), liberated from Portuguese rule in 1954.

Silver

Silver (symbol Ag, from the Latin argentum) is a soft, lustrous white metallic element with atomic number 47, prized since prehistoric times for coinage, jewelry, and tableware.

Silver acetylide

Silver acetylide, also called silver carbide (Ag2C2), is the silver salt of acetylene, an explosive white solid best known as the precipitate that identifies terminal alkynes.

Silver Age of Comic Books

Silver Age of Comic Books, roughly 1956 to early 1970s, period of superhero revival in American comics, begun with DC's Flash in Showcase #4, shaped by the Comics Code Authority and Marvel's rise under Stan Lee and Jack Kirby.

Silver Age of Latin literature

The Silver Age of Latin literature is the period of Latin writing after Augustus's death in A.D. 14, whose principal authors include Seneca, Lucan, Martial, Juvenal, and Tacitus.

Silver Age of Russian Poetry

The Silver Age of Russian Poetry (Серебряный век) is the era of modernist Russian poetry from the mid-1890s to 1917, named for the Golden Age of Pushkin.

Silver Airways

Silver Airways was a regional airline based in Hollywood, Florida, that flew within Florida and to the Bahamas and the Caribbean from 2011 until ceasing operations in June 2025.

Silver Alert

Silver Alert: US state-level public alert programs modeled on AMBER Alert that broadcast information about missing older adults with dementia or cognitive impairment via media, radio, and highway signs, with criteria and adoption varying by state.