All articles starting with H
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Hess Corporation
Hess Corporation, formerly Amerada Hess Corporation, was an American oil and gas exploration and production company, incorporated in 1920 and acquired by Chevron in 2025.
Hess Midstream
Hess Midstream (NYSE: HESM) is a fee-based midstream energy company formed by Hess in 2014, serving Hess and third-party customers in the Bakken shale of North Dakota.
Hess Rise
Hess Rise (Mellish Rise) is a >1,000-km-long oceanic plateau in the central North Pacific, named for Harry H. Hess, formed roughly 100 Ma near the Pacific-Farallon Ridge and drilled at DSDP Sites 310, 464, 465, 466.
Hess's law
Hess's law, also called the law of constant heat summation, states that the total enthalpy change of a reaction is the sum of the enthalpy changes of its steps.
Hessam Armandehi
Hessam Armandehi (حسام آرمندهی) is an Iranian technology entrepreneur who co-founded Cafe Bazaar, the Tehran-based Android app store, with Reza Mohammadi, and originated the Divar classifieds platform.
Hessdalen lights
The Hessdalen lights, also called the Hessdalen phenomenon, are recurring unexplained balls of light of varying shapes and colors in the Hessdalen valley of central Norway, reported since the 1940s.
Hesse
Hesse (Hessen) is a German federal state formed in 1945 as Groß-Hessen, capital Wiesbaden, largest city Frankfurt am Main; 6.28 million people, 21,115 km², CDU-SPD government under Boris Rhein, Germany's leading financial center.
Hesse Kassel
Hesse Kassel is a Chilean post-rock/art rock sextet formed in Santiago in 2022, named after a Google-suggested German principality. Debut La Brea (2025) made Consequence's 50 best; Morir Saltando followed in 2026, plus a Pulsar Best New Artist award.
Hesselbach
Hesselbach, or Kastell Hesselbach, is a small Roman numerus fort on the older Odenwald Line of the Neckar-Odenwald Limes, the frontier of the Roman province of Upper Germany.
Hessenliga
Hessenliga (Lotto Hessenliga), formerly Oberliga Hessen until 2008, is the top Hessian men's football league, one of 14 German fifth-tier Oberligen run by the HFV, with 18 teams and promotion to the Regionalliga Südwest.
Hessian (soldier)
Hessians: German auxiliary soldiers, mostly from Hessen-Kassel and Hessen-Hanau, rented to Britain by subsidy treaty (1776–83) during the American Revolution; about 30,000 served, distinct from individual mercenaries.
Hessian fabric
Hessian fabric, called burlap in North America, is a coarse plain-woven jute cloth used for sacks, packaging, concrete curing, upholstery backing and geotextiles, typically 7-12 oz/yd with an open breathable weave.
Hessian matrix
The Hessian matrix, or Hesse matrix, is the square matrix of a function's second-order partial derivatives, used to classify critical points as minima, maxima, or saddle points.
Hessisches Staattheater Wiesbaden
Hessisches Staatstheater Wiesbaden (Hessian State Theater Wiesbaden), a five-section German state theater opened 16 October 1894 as a royal court theater built by Fellner and Helmer for Kaiser Wilhelm II; hosts the International May Festival.
Heşt Behişt
Heşt Behişt (Tezkire-i Sehî) is the first biographical dictionary of poets in Ottoman Turkish, completed by Sehî Bey in 1538 and presented to Sultan Süleyman.
Hester Leggatt
Hester May Murray Leggatt (1905-1995) was an MI5 secretary in section B1a who wrote the fictional love letters carried by the corpse in the 1943 Operation Mincemeat deception; identified by Ben Macintyre and honored with a 2023 plaque.
Hester Prynne
Hester Prynne, heroine of Hawthorne's The Scarlet Letter (1850), a Puritan Boston woman punished for adultery with a scarlet A; mother of Pearl, lover of Dimmesdale, wife of Chillingworth, later a feminist icon.
Hester Street
Hester Street (1975), Joan Micklin Silver's directorial debut, adapts Abraham Cahan's novella Yekl about Jewish immigrant assimilation on the 1896 Lower East Side; Carol Kane earned a Best Actress Oscar nomination, and the film joined the National Film Registry in 2011.
Hestia (Ἑστία)
Hestia (Ἑστία), Greek virgin goddess of the hearth, first-born of Cronus and Rhea, Roman Vesta; receives first sacrifice, city hearth in prytaneion, subject of the Vernant Hestia-Hermès pair and the 2024 anthropomorphism reassessment.
Hestia Rupes
Hestia Rupes is a 588-km-wide scarp (rupes) on Venus at 6.0°N, 71.1°E on northwestern Aphrodite Terra, IAU-named in 1982 for the Greek hearth goddess and studied as a possible subduction zone.
Heston Blumenthal
Heston Blumenthal, British self-taught chef behind The Fat Duck in Bray, Berkshire, a three-Michelin-star restaurant named world's best in 2005; pioneer of triple-cooked chips, flavour pairing, and multisensory cooking.
Heston model
The Heston model is a stochastic volatility model in mathematical finance in which an asset's variance is itself random and mean-reverting, introduced by Steven Heston in 1993.
Hesunebef
Hesunebef, also written Hesysunebef, was a workman and Deputy of the royal tomb-builders' village of Deir el-Medina in Egypt's 20th Dynasty, c. 1190 BC; a former slave, he was adopted by the foreman Neferhotep.
Hesy-Ra
Hesy-Ra, also rendered Hesire or Hesyre, was a high official of Egypt's Third Dynasty who served King Djoser around 2650 BC and is the earliest recorded individual associated with dentistry.
Hesychasm (ἡσυχασμός)
Hesychasm (ἡσυχασμός), from Greek hesychia meaning quiet, is the Eastern Orthodox tradition of inner prayer through the unceasing Jesus Prayer, defended by Gregory Palamas in the fourteenth century.
Het Steen
Het Steen is a medieval fortress on the Scheldt waterfront in Antwerp, Belgium, the city's oldest preserved building, which served as a prison for over five centuries.
Het uur U
Het uur U is a 1937 narrative poem by the Dutch poet Martinus Nijhoff about a stranger whose passing stirs panic in a quiet street.
Hetacillin
Hetacillin is a discontinued semisynthetic aminopenicillin prodrug, an acetone adduct of ampicillin (Versapen), with no antibacterial activity itself; it hydrolyzes in the body to ampicillin, its active form.
Hetaira (ἑταίρα)
Hetaira (ἑταίρα, plural hetairai) was the ancient Greek term for an educated female companion or courtesan, distinct from the common prostitute (pornē). Hetairai attended male-only symposia, provided music, wit, and sex, and included famous figures such as Aspasia, Rhodopis, and Phryne; the category is first attested in Herodotus.
Hetalia: Axis Powers (ヘタリア Axis Powers)
Hetalia: Axis Powers (ヘタリア) is a Japanese gag manga and anime series by Hidekaz Himaruya that depicts nations personified as boys in World War I and II comedies.