All articles starting with O
9,097 articles
Otis Redding
Otis Redding, born Otis Ray Redding Jr., was an American soul singer and songwriter at Stax Records who died in a 1967 plane crash at age 26.
Otis Williams
Otis Williams (born Otis Miles, Jr., 1941, Texarkana, Texas) is the American baritone singer who founded The Temptations, its last surviving original member, leader since 1961, memoirist, and subject of the musical Ain't Too Proud.
Otis Worldwide
Otis Worldwide Corporation, also known as the Otis Elevator Company, is an American elevator and escalator manufacturer and service company based in Farmington, Connecticut, tracing its origins to Elisha Otis's 1853 safety brake.
Otitic barotrauma
Otitic barotrauma (barotitis media, aero-otitis-media, ear squeeze) is ear injury from failed pressure equalization, usually via Eustachian tube dysfunction, affecting divers and aircrew; middle ear injury predominates, with pain above ~30 mmHg gradients.
Otitis
Otitis, or ear infection and inflammation, includes otitis externa (swimmer's ear), otitis media, otitis media with effusion, and labyrinthitis; most acute otitis media in children resolves without antibiotics.
Otitis externa
Otitis externa, commonly known as swimmer's ear, is inflammation of the external ear canal, often with infection, causing ear pain, itching, and discharge; it occurs in acute, chronic, and necrotising forms.
Otitis media
Otitis media, also called ear infection or middle ear infection, is inflammation of the middle ear behind the eardrum. Types include AOM, OME, and COME; five of six children are affected by age three, treated with watchful waiting, amoxicillin, or tympanostomy tubes.
Otl Aicher
Otl Aicher (Otto Aicher, 1922-1991), German graphic designer, HfG Ulm co-founder, and design commissioner for the 1972 Munich Olympics, whose Department XI team of 82 created its pictograms, colors, and Univers-set identity.
Otley Run pub crawl attack
Otley Run pub crawl attack: 26 April 2025 crossbow and firearm attack on Otley Road, Headingley, Leeds, by Owen Lawrence, 38, who wounded two women before dying of a self-inflicted airgun injury two days later; he left a misogynistic far-right manifesto.
Otmar Freiherr von Verschuer
Otmar Freiherr von Verschuer (1896–1969), German human geneticist and Nazi racial-hygiene leader, directed the Kaiser Wilhelm Institute for Anthropology, received Auschwitz blood samples via Josef Mengele, and in 1951 became Münster's first professor of human genetics.
Otmar Szafnauer
Otmar Szafnauer is a Romanian-born American motorsport executive who led Force India, Racing Point, Aston Martin, and Alpine as team principal before joining Van Amersfoort Racing as CEO in 2026.
Oto
Oto is the stage name of Sergio Dodero, a Spanish drum and bass DJ from Algeciras, Cádiz, who co-founded the Andalusian bass-music promoter Kritikal Crew in 2011.
Oto Klempíř
Oto Klempíř is a Czech politician and member of the Motoristé party serving as Minister of Culture, after more than thirty years in advertising, film, and literary work.
Oto Melara
Oto Melara was an Italian defense company based in La Spezia that made naval guns and armored vehicles, best known for the 76/62 naval gun and its Fiat and Iveco partnerships.
OTO Melara 76 mm
The OTO Melara 76 mm, also known as the Otobreda 76 mm or Mk 75, is an Italian dual-purpose naval gun made since the 1960s and used by 51 navies.
Otoacoustic emission
An otoacoustic emission (OAE), or Kemp echo, is a low-level sound produced by the cochlea and recorded in the ear canal, first recorded by David Kemp in 1978.
Otobong Nkanga
Otobong Nkanga, born 1974 in Kano, Nigeria, is a Nigerian-Belgian artist based in Antwerp whose installations and performances examine land, raw materials, and extraction; she won the 2025 Nasher Prize.
Otocephaly
Otocephaly, or agnathia-otocephaly complex (OMIM 202650), is a rare lethal congenital malformation with absent mandible, microstomia, aglossia, and midline-fused ears, often with holoprosencephaly; incidence under 1 in 70,000 births, linked to PRRX1.
Otoceras
Otoceras, an extinct Otoceratidae ceratitid ammonoid genus of the latest Permian and earliest Triassic (Induan), index fossil for the base of the Triassic via its Otoceras woodwardi zone; species include O. woodwardi, O. concavum, O. boreale.
Otodental syndrome
Otodental syndrome, also called otodental dysplasia or globodontia, is a very rare autosomal dominant disorder causing enlarged bulbous canine and molar teeth plus hearing loss.
Otofaciocervical syndrome
Otofaciocervical syndrome (OTFCS, Fara-Chlupackova syndrome, OFC syndrome) is an ultra-rare genetic disorder with ear, facial, and shoulder girdle anomalies, hearing loss, and mild intellectual disability; EYA1 (type 1) or PAX1 (type 2).
Otogi-zōshi
Otogi-zōshi (御伽草子), literally "companion tales," are a body of more than 400 short illustrated Japanese prose narratives produced from the fourteenth to the seventeenth century, chiefly during the Muromachi period.
Otohime (AUV)
Otohime (おとひめ) is a working-class autonomous underwater vehicle built largely in-house at Japan's JAMSTEC in 2012 for close-up seafloor observation and light work at depths down to 3,000 m.
Otokar
Otokar is a Turkish manufacturer of buses and military vehicles founded in 1963 as the country's first bus maker, and a Koç Group company known for the COBRA II armored vehicle.
Otokar Březina
Otokar Březina, born Václav Jebavý, was a Czech lyric poet, essayist, and schoolteacher who led Czech symbolism with five poetry collections written between 1895 and 1901.
Otokar Cobra II
The Otokar Cobra II is a 4x4 tactical wheeled armored vehicle built by Turkish manufacturer Otokar and introduced in 2013, configurable for transport, reconnaissance, command, and ambulance roles.
Otokata Higashi
Otokata Higashi was a Japanese pediatrician, a Tohoku University graduate and professor of pediatrics at Akita University, remembered as co-eponym of Chédiak-Higashi syndrome, a rare immunodeficiency and pigmentary disorder he described in 1954.
Otolaryngologists
Otolaryngologists (ENT doctors) are head and neck surgeon-physicians treating ear, nose, throat, and related conditions. Five-year residency, ABOHNS certification, subspecialties including neurotology and pediatric otolaryngology.
Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery
Otolaryngology–Head and Neck Surgery (Otolaryngol Head Neck Surg, ISSN 0194-5998), the official peer-reviewed monthly journal of the AAO-HNS Foundation, published since 1981, Wiley-published since 2023, 2025 impact factor 2.6.
Otolemur crassicaudatus
Otolemur crassicaudatus, the thick-tailed or brown greater galago (Galago crassicaudatus), is the largest galago, a 1-2 kg nocturnal gum- and fruit-eating primate of East and southern Africa, IUCN Least Concern, CITES Appendix II.