All articles starting with F
15,892 articles
Feprazone
Feprazone (4-prenyl-1,2-diphenyl-3,5-pyrazolidinedione), a phenylbutazone-related NSAID, ATC M01AX18/M02AA16, trialed in rheumatoid arthritis and osteoarthritis; withdrawn in Germany in 1984 over skin reactions and rat carcinogenicity.
FePS3
FePS3, or iron phosphorus trisulfide, is a layered antiferromagnetic semiconductor that keeps its magnetic order down to a single atomic layer and turns metallic under pressure.
FER herbarium
FER is the Index Herbariorum code for the herbarium of the Botanic Garden of the University of Ferrara, Italy, holding over 22,000 dried plant specimens, including the Campana and Felisi historic collections, in Palazzo Turchi di Bagno.
Fer López
Fer López, full name Fernando López González, is a Spanish attacking midfielder born in Madrid in 2004 who joined Wolverhampton Wanderers from Celta Vigo in 2025.
Fer Palacio
Fer Palacio is an Argentine DJ and producer known as "el rey del cachengue", a fusion of cumbia and reggaetón popularized through his "Previa y Cachengue" series.
Feral
Feral describes domesticated animals or their descendants living without human care, distinct from wild and stray. Covers feralization biology and management of feral cats, pigs, and livestock in Australia and the US.
Feral cat
A feral cat, also called a free-roaming or community cat, is an unsocialized domestic cat living in the wild and surviving by hunting or scavenging.
Feral child
Feral child (wild child): a child raised with little or no human contact, alone, with animals, or confined. Key cases: Victor of Aveyron, Genie, Kamala, and Amala; severe lasting language and social deficits.
Feral horse
Free-roaming horse descended from domesticated ancestors; called mustang in North America and brumby in Australia. Roughly 73,000 on US BLM lands and 400,000 in Australia, managed through gathers, fertility control, adoption, and culling under contested law.
Feral pig
Feral pig (wild hog, razorback), Sus scrofa, the domestic pig species living feral; invasive in the Americas and Australia, causing about $2.5 billion yearly US damage, found in at least 35 states, managed by USDA programs.
Feral pigeon
Feral pigeon (Columba livia), city pigeon descended from escaped domestic pigeons; found on all continents, hybridizing with the wild rock dove, and managed by food reduction, nicarbazin fertility control, and shelters rather than culling.
Feralia Planitia
Feralia Planitia is a roughly 270 km wide planitia and old, degraded impact basin near the equator of asteroid Vesta, named for the Roman festival of the dead and older than the Veneneia and Rheasilvia basins.
FeRAM
FeRAM (ferroelectric random-access memory), also marketed as F-RAM or FRAM, is a non-volatile memory storing bits as polarization in a ferroelectric film, offering high endurance and low write energy.
Feras Antoon
Feras Antoon (فراس انطون), born 1975 in Damascus, is a Syrian-Canadian executive, co-founder and CEO of Aylo (formerly MindGeek), owner of Pornhub; he built Brazzers, sold his sites to Fabian Thylmann in 2010, and bought Manwin back in 2013.
Ferb Fletcher
Ferb Fletcher is the quiet British stepbrother of Phineas Flynn in Disney's animated series Phineas and Ferb, voiced by Thomas Brodie-Sangster (seasons 1–4) and David Errigo Jr. (season 5 onward), known for engineering skill and few words.
Ferbam
Ferbam (ferric dimethyldithiocarbamate, C9H18FeN3S6) is a broad-spectrum dithiocarbamate contact fungicide, FRAC M3, multi-site, used on citrus and fruit crops; cancelled in Canada and under EPA review.
Ferber method
Ferber method, also called graduated extinction or controlled crying, is a sleep training technique from Richard Ferber's 1985 book, using timed check-ins at increasing intervals to teach infants, typically from 6 months, to self-soothe.
Ferbli
Ferbli (Färbeln, Ferbl) is a Hungarian vying card game for 2–7 players using a 32-card William Tell pack, with four-card hands ranked by sets and suited-card totals; earliest reference a 1714 prohibition.
FERC Order 2222
FERC Order 2222 is a 2020 Federal Energy Regulatory Commission rule requiring regional grid operators to open wholesale markets to aggregations of distributed energy resources such as batteries and solar.
Ferdi Schüth
Ferdi Schüth, born 1960 in Germany, is a chemist in heterogeneous catalysis and solid-state chemistry who directs the Max-Planck-Institut für Kohlenforschung in Mülheim an der Ruhr.
Ferdi Tayfur
Ferdi Tayfur (1945–2025) was a Turkish arabesk singer, songwriter, and actor, one of the genre's dominant stars; his 1992 album Prangalar sold about 5 million copies.
Ferdia Lennon
Ferdia Lennon, Irish novelist from Dublin with a Libyan father, author of the 2024 debut Glorious Exploits, a Sunday Times bestseller set in 412 BC Syracuse narrated in Dublin vernacular, winner of the Waterstones Debut Fiction and Bollinger Everyman Wodehouse prizes.
Ferdia Walsh-Peelo
Ferdia Walsh-Peelo (born 1999, Ashford, County Wicklow) is an Irish actor and musician, lead of Sing Street (2016), Alfred the Great in Vikings, Miles in CODA, and vocalist of The Fynches.
Ferdinand
Ferdinand, masculine given name of Gothic origin (Spanish form Fernando), from elements meaning peace or journey plus boldness. Spread via Visigoths, Ferdinand III of Castile, and the Habsburgs; about 426,000 bearers worldwide, currently most popular in Austria.
Ferdinand (film)
Ferdinand is a 2017 American computer-animated comedy film directed by Carlos Saldanha, based on Munro Leaf's 1936 children's book, about a peace-loving bull who prefers flowers to bullfighting.
Ferdinand (horse)
Ferdinand (1983-2002), American Thoroughbred, 1986 Kentucky Derby and 1987 Breeders' Cup Classic winner, 1987 Horse of the Year; slaughtered in Japan in 2002, spurring racehorse retirement and anti-slaughter efforts.
Ferdinand Adalbert Kehrer
Ferdinand Adalbert Kehrer (1883–1966) was a German neurologist and psychiatrist who held the chair of neurology and psychiatry at the University of Münster from 1925 to 1953.
Ferdinand Avenarius
Ferdinand Avenarius (1856–1923) was a German poet and editor who founded and edited the journal Der Kunstwart from 1887 and co-founded the Dürerbund in 1902.
Ferdinand Berthoud
Ferdinand Berthoud (1727–1807) was a Swiss-born clockmaker and horological scientist who worked in Paris, and with his rival Pierre Le Roy is considered a father of the marine chronometer.
Ferdinand Bie
Ferdinand Reinhardt Bie (1888–1961), Norwegian athlete and physician; 1912 Olympic pentathlon runner-up behind Jim Thorpe, awarded gold in 1913, co-champion from 1982, silver medallist from 2022.