All articles A–Z
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Aeschines
Aeschines (Αἰσχίνης; 390 or 389–314 BC) was an Athenian orator and politician, the rival of Demosthenes, whose three surviving speeches rank beside Demosthenes' as masterpieces of Greek oratory.
Aeschylus (Αἰσχύλος)
Aeschylus (Αἰσχύλος, c. 525/4–456/5 BCE), Athenian tragic poet born at Eleusis, father of Greek tragedy; author of the Oresteia, the only surviving complete trilogy, of seven surviving plays among roughly eighty, and of the second-actor innovation recorded by Aristotle.
Aeschynomene
Aeschynomene L. (joint vetch) is a pantropical legume genus of about 150-190 species, many aquatic, famous for stem nodulation by photosynthetic Bradyrhizobium lacking nodABC genes; A. evenia is its Nod-independent model legume.
Aesculus
Aesculus (horse-chestnuts, buckeyes) is a genus of about 12 tree and shrub species in Sapindaceae, native from SE Europe to Japan and North America, containing the toxin aesculin and including the widely planted European horse-chestnut.
Aesculus glabra
Aesculus glabra, Ohio buckeye (fetid or stinking buckeye), a Sapindaceae tree of the east-central US with five-leaflet palmate leaves, spiny capsules, toxic aesculin/aescin seeds, soft light wood, and status as Ohio's state tree.
Aesculus hippocastanum
Aesculus hippocastanum, horse chestnut or conker tree, is a large Balkan-native deciduous tree, IUCN Vulnerable with 5,000-9,000 mature trees, threatened by the leaf miner Cameraria ohridella and used medicinally via escin seed extract.
AESEDCPAEPFR trial
AESEDCPAEPFR (NCT07401342) is a completed before-and-after trial at Mexico's Conde de Valenciana eye institute testing duosomal liposomal chemical peels in 11 patients, with improved FACE-Q and SASSQ skin-quality scores.
Aeshnidae
Aeshnidae, the darners or hawker dragonflies, is a family of large Odonata dragonflies with eyes meeting on top of the head, about 51 genera and roughly 456 species worldwide.
Æsir
Æsir, Old Norse plural of áss, the principal family of Norse gods under Óðinn in the Eddas; cognate with Gothic ansis and Old English ēse; Snorri's Asia etymology is false, and the Æsir–Vanir split is debated.
Aesop (brand)
Aesop, also known as Aesop skincare, is an Australian luxury skin, hair, and body care brand founded in Melbourne in 1987 by hairdresser Dennis Paphitis, known for its amber apothecary packaging.
Aesop (Αἴσωπος)
Aesop (Αἴσωπος; Aisopos, Æsop, Esop) is the legendary Greek fabulist of the 6th century BCE to whom the Aesopica fables are attributed; likely a literary construct, with disputed birthplace and a corpus of about 231 to 358 fables.
Aesop Rock
Aesop Rock is an American underground hip-hop rapper and producer from New York, also known for the vocabulary study ranking him first of 85 rappers. Albums include Labor Days, Skelethon, and Garbology with Blockhead.
Aesop's Fables
Aesop's Fables (Αἴσωπος): short Greek moral tales attributed to a legendary sixth-century BC slave, surviving via Phaedrus, Babrius, and later collections; about 600 ancient fables, morals added later.
Aesopian language
Aesopian language (эзопов язык) is an allegorical style of writing that carries an innocuous surface and a forbidden hidden meaning, letting authors bypass censorship; it was named after Aesop and popularized in 1860s Russia by Saltykov-Shchedrin.
Aespa (에스파)
Aespa (에스파) is a four-member SM Entertainment K-pop girl group (Karina, Winter, Giselle, Ningning) that debuted November 17, 2020 with "Black Mamba", known for its avatar metaverse concept, the Melon-record "Supernova", and albums Armageddon and LEMONADE.
Aestas Management Company
Aestas Management Company is a Delaware LLC formed by OpenAI in 2023 to run a tender offer letting employees sell about $495 million of stock.
Aesthetes (chiton sensory organs)
Aesthetes are microscopic sensory organs embedded in the eight shell plates of all chitons (Polyplacophora), with megalaesthete and micraesthete pores; some are modified into eyespots or aragonite-lensed shell eyes, the most recently evolved camera-type eyes known.
Aesthetic as Science of Expression and General Linguistic
Aesthetic as Science of Expression and General Linguistic is a 1902 work by Italian philosopher Benedetto Croce defining art as intuition and equating aesthetics with linguistics.
Aesthetic emotions
Aesthetic emotions are emotions, such as beauty, awe, being moved, and wonder, that directly contribute to aesthetic evaluation of art, nature, or design; central constructs include Menninghaus's four-feature account, the Aesthemos scale, and the Skov–Nadal dispute over whether they form a distinct emotion class.
Aesthetic plastic surgery
Aesthetic Plastic Surgery (the Blue Journal), bimonthly peer-reviewed Springer journal since 1976, official organ of ISAPS, ISSN 0364-216X, MEDLINE-indexed, 2024 impact factor 2.9, distinct from Aesthetic Surgery Journal.
Aesthetica of a Rogue Hero (はぐれ勇者の美学)
Aesthetica of a Rogue Hero (Hagure Yuusha no Estetica, はぐれ勇者の鬼畜美学) is a HJ Bunko light novel series by Tetsuto Uesu about hero Akatsuki Ousawa, who returns from Alayzard with the Demon King's daughter Myuu and enrolls in BABEL; adapted into a 12-episode 2012 anime by ARMS, unfinished at volume 11 since 2013.
Aestheticism
Aestheticism: late 19th-century movement, also called the Aesthetic Movement (1860–1900 in Britain), holding "art for art's sake"; key figures Gautier, Pater, Whistler, Wilde; ended after Wilde's 1895 trial.
Aesthetics
Aesthetics, also known as philosophical aesthetics or aesthetic philosophy, is the branch of philosophy that studies beauty, art, taste, and sensory experience, named by Alexander Gottlieb Baumgarten in 1735.
Aestivation
Aestivation, also spelled estivation, is a state of animal dormancy during hot or dry periods, like hibernation but in summer; in botany it means the folding of petals in a flower bud.
Aestus
Aestus is a pressure-fed rocket engine burning MMH and nitrogen tetroxide that powered the upper stage of Europe's Ariane 5 launcher, including ATV and Galileo missions, until 2018.
Aeta people
The Aeta people are indigenous Negrito groups of the Philippines, living in the mountainous interior of Luzon. They were severely displaced by the 1991 eruption of Mount Pinatubo.
Aeterna
Aeterna (Этерна) is a 2025 Russian fantasy series on Kinopoisk, adapted from Vera Kamsha's cycle Otbleski Eterny; a reboot of the poorly received 2022 pilot film, six episodes directed by Sergei Trofimov.
Aethalometer
An aethalometer is an optical instrument that measures black carbon aerosol in the air in real time, first developed by Anthony Hansen in 1979 and now the standard commercial instrument for black carbon monitoring.
Æthelbald, King of Wessex
Æthelbald (d. 860), king of Wessex 855/856–860, son of Æthelwulf; fought at Aclea 851, rebelled against his father in 856, married his stepmother Judith of the Franks, died at Sherborne.
Æthelberht of Kent
Æthelberht of Kent (c. 560 – 616) was an Anglo-Saxon king, the first to accept Christianity, and issuer of the earliest surviving Germanic law code.