All articles starting with O
9,097 articles
Odyssey 5
Odyssey 5 is a Canadian science fiction series created by Manny Coto. Five crew members on the shuttle Odyssey are sent back five years after witnessing Earth's destruction.
Odyssey Logistics & Technology
Odyssey Logistics & Technology is a privately held third-party logistics provider founded in 2003 in Danbury, Connecticut, specializing in multimodal freight for chemical and metals manufacturers.
Odyssey of the Mind
Odyssey of the Mind (OotM, OM) is an international creative problem-solving competition founded by Sam Micklus in New Jersey in the 1970s. Teams of up to seven students solve long-term and spontaneous problems, scored 200/100/50, culminating in World Finals.
Odyssey Therapeutics
Odyssey Therapeutics is a clinical-stage biopharmaceutical company in Boston, Massachusetts, founded by Gary D. Glick in 2021 to develop oral small-molecule drugs for autoimmune and inflammatory diseases.
Odzerchen Dorsa
Odzerchen Dorsa is a 300-km dorsum (ridge feature) on Venus at 72.0S, 152.0E, IAU-named in 2000 after a Tibetan goddess of boundless light; a lava channel curving around it shows the ridge is older than the channel.
Ōe no Hiromoto
Ōe no Hiromoto (大江広元, 1148–1225) was a Kyoto court official who became the leading administrator of the Kamakura shogunate, advising Minamoto no Yoritomo and the Hōjō regents.
Ōe no Masafusa
Ōe no Masafusa (大江匡房, 1041–1111) was a late Heian Japanese scholar-official and kanshi and waka poet who tutored three emperors and led the cloistered government era's literature.
Ōe no Otondo
Ōe no Otondo (大江音人, 811–877), known by the sobriquet Gō Shōkō, was a Heian-period Japanese noble and Confucian scholar who founded the Ōe family as a hereditary house of learning serving the court.
OE19
OE19 (OE-19, JROECL19, CVCL_1622) is a human esophageal adenocarcinoma cell line established in 1993 from a 72-year-old man, HER2/ERBB2-amplified, lapatinib-sensitive, microsatellite stable, and distributed by ECACC and DSMZ.
OE33
OE33 (OE-33, JROECL33, CVCL_0471) is a human esophageal adenocarcinoma cell line from a 73-year-old woman's Barrett-associated lower-esophagus tumor, microsatellite stable, TP53-mutant, hyperploid, used widely in EAC research and xenografts.
Oecanthidae
Oecanthidae, the tree crickets and relatives, is a family of true crickets (Grylloidea) redefined in 2022 as a fifth family, sister to Gryllidae, with four subfamilies, about 1400 species, and a Lower Cretaceous origin near 130 Mya.
OECD
The OECD, formally the Organisation for Economic Co-operation and Development, is a Paris-based intergovernmental organization of 38 democracies, founded in 1961 to promote growth, trade, and living standards.
OECD AI Policy Observatory
The OECD AI Policy Observatory (OECD.AI) is an online platform launched by the OECD in Paris in February 2020 to help countries monitor the responsible development of trustworthy artificial intelligence.
OECD Better Life Index
The OECD Better Life Index is an online tool launched by the OECD in 2011 that lets users compare well-being across countries using their own weights.
OECD Pesticide Programme
The OECD Pesticide Programme harmonizes testing and assessment of agricultural pesticides among OECD countries, promoting work sharing and risk reduction while national regulators keep final approval authority.
Oechsler
Oechsler is a German polymer technology company headquartered in Ansbach, Bavaria, founded in 1864 by Matthias Oechsler, with about 2,100 employees and six production sites worldwide.
Oecologia
Oecologia (ISSN 0029-8549 print, 1432-1939 online) is a Springer ecology journal published since 1968 with the International Association for Ecology, MEDLINE-indexed from 2003, impact factor 2.5 (2025).
Oecomys
Oecomys (arboreal rice rats), Thomas 1906, a genus of arboreal Sigmodontinae rodents from Panama to Argentina; most speciose Oryzomyini genus, 17-24 species, high karyotypic diversity 2n=54-86, many cryptic species complexes.
Oecophoridae
Oecophoridae (concealer moths, oecophorid moths), family Bruand 1851 of Gelechioidea moths; about 3,400 species, mostly Australian; subfamilies Pleurotinae and Oecophorinae; sister group Xyloryctidae.
Oedema of eyelid
Oedema of eyelid (eyelid edema, ICD-11 NA06.02) is fluid-driven eyelid swelling from allergic, infectious, inflammatory, drug, traumatic, or systemic causes; orbital cellulitis is the key dangerous differential.
Oedema of larynx
Oedema of larynx (laryngeal edema, ICD-11 CA0H.3, ICD-10 J38.4) is fluid accumulation in laryngeal tissue from anaphylaxis, angioedema, infection, intubation injury, or radiotherapy, causing hoarseness and potentially fatal airway obstruction.
Oedema of legs
Oedema of legs (lower extremity oedema, ICD-11 MG29.01) is excess interstitial fluid causing leg swelling; causes include heart, kidney, liver failure, venous disease, DVT, and drugs such as amlodipine.
Oedemeridae
Oedemeridae, the false blister beetles (pollen-feeding beetles), is a worldwide Tenebrionoidea beetle family of about 100 genera; soft-bodied flower beetles whose cantharidin blisters skin and whose larvae bore in stems or wood.
Oedipodium
Oedipodium, or gouty-moss (Oedipodium griffithianum), is the sole species of the moss family Oedipodiaceae and class Oedipodiopsida, a peristome-less acrocarpous moss placed basal to peristomate mosses, with disjunct Northern Hemisphere and Tierra del Fuego populations.
Oedipus (Icke play)
Oedipus is Robert Icke's contemporary stage adaptation of Sophocles' Oedipus Tyrannus, set on a politician's election night with a real-time countdown clock. Premiered in Dutch in Amsterdam in 2018, it won 2025 Olivier Awards in the West End with Mark Strong and Lesley Manville and transferred to Broadway's Studio 54 in 2025.
Oedipus (Οἰδίπους)
Oedipus (Οἰδίπους), also Oedipus Rex, is the mythic Theban king, son of Laius and Jocasta, who unknowingly killed his father and married his mother; told in the lost epic Oedipodea, Sophocles' Theban plays, and Freud's Oedipus complex.
Oedipus at Colonus
Oedipus at Colonus (Οἰδίπους ἐπὶ Κολωνῷ) is a tragedy by the Greek playwright Sophocles, the final work of his life, staged posthumously at Athens in 401 BCE.
Oedipus complex
Oedipus complex: Freud's psychoanalytic concept of a child's sexual and aggressive impulses toward its parents, discovered through his 1897 self-analysis, named in 1910, and debated by anthropologists, feminists, and empirical reviewers.
Oedipus Rex (Οἰδίπους Τύραννος)
Oedipus Rex (Οἰδίπους Τύραννος, Oidipous Tyrannos, Oedipus the King) is Sophocles' tragedy in which Oedipus's plague investigation reveals he killed his father Laius and married his mother Jocasta; first performed c. 429–420s BCE, Aristotle's model tragedy.
Oegopsida
Oegopsida (open-eye squids) is an order of over 20 families of oceanic squid within Decapodiformes, named by Orbigny in 1845; established by ~100 Ma, with sucker-ring-derived arm hooks and a key role in oceanic biological pump energy flow.