All articles starting with H
20,046 articles
Hörmann
Hörmann is the name of two unrelated German family-owned industrial groups: the Hörmann door manufacturer near Bielefeld, founded in 1935, and the HÖRMANN technology group near Munich, founded in 1955.
Hormel Foods
Hormel Foods is an American branded food company headquartered in Austin, Minnesota. Founded by George A. Hormel in 1891, it makes SPAM, SKIPPY, Planters, and Jennie-O.
Hormeni
Hormeni was an early 18th Dynasty Egyptian official whose decorated rock-cut tomb at Nekhen (Hierakonpolis) is securely dated by cartouches to the reign of Thutmose I.
Hormesis
Hormesis is a biphasic dose-response phenomenon: low doses of a stressor stimulate or benefit biology while high doses inhibit or harm it. Also called the Arndt-Schulz Law; coined by Southam and Ehrlich (1943); contested as a risk-assessment default model.
Hormisdas
Hormisdas, born around 450 in Frosinone, was the 52nd pope from 514 to 523, remembered for ending the Acacian schism; his son became Pope Silverius.
Hormizd I
Hormizd I was the third Sasanian King of Kings, son of Shapur I, who reigned about one year in the early 270s after serving as Great King of Armenia.
Hormizd IV
Hormizd IV (هرمز چهارم) was a Sasanian king, son of Khosrow I, who reigned from 579 to 590 and was deposed and killed in 590 after Bahram Chobin's rebellion.
Hormoaning
Hormoaning is a 1991/1992 six-track Nirvana EP on Geffen, released only in Australia and Japan to promote the band's Pacific Rim tour, with four covers (Devo, Wipers, Vaselines) and limited pressings.
Hormona Lisa
Hormona Lisa is the drag persona of Jodie Jean Noel Corbin, a Chattanooga, Tennessee drag queen who placed 12th on season 17 of RuPaul's Drag Race.
Hormonal Contraception
Hormonal contraception: progestin-only or combined estrogen-progestin methods (pills, implant, injection, patch, ring, LNG-IUD) preventing pregnancy mainly by stopping ovulation; first pill Enovid, FDA-approved May 1960; implant 0.1% typical failure rate; no STI protection.
Hormonally up-regulated neu tumour-associated kinase, catalytic domain
HUNK (MAK-V) catalytic domain: the serine/threonine kinase domain of the SNF1/AMPK-family kinase HUNK, gene at 21q22.11; phosphorylates EGFR T654 and RUBICON, driving HER2+ breast cancer survival, metastasis, and drug resistance.
Hormone
Hormone: chemical messenger released by endocrine glands into the blood, acting via receptors on target tissues; over 50 known in humans, regulated by feedback loops, central to endocrinology since Brown-Séquard's 1889 lecture and Starling's coining of the term.
Hormone replacement therapy
Hormone replacement therapy (HRT, menopausal hormone therapy) replaces estrogen and progestogen to treat menopause symptoms; shaped by the 2002 WHI trial and the FDA's 2025-2026 removal of boxed warnings.
Hormone research in pædiatrics
Hormone research in pædiatrics (Horm Res Paediatr), Karger's monthly peer-reviewed pediatric endocrinology journal since 2010, formerly Hormones (1970) and Hormone Research; official journal of ESPE, PES, and SLEP; 2025 Impact Factor 3.8.
Hormone-sensitive lipase
Hormone-sensitive lipase (HSL, LIPE gene) is an intracellular neutral lipase hydrolyzing diacylglycerol, cholesteryl, and retinyl esters in hormonally regulated lipolysis, PKA-activated, insulin-inhibited, and a drug target in diabetes.
Hormones: The Series
Hormones: The Series (ฮอร์โมนส์ วัยว้าวุ่น) is a Thai teen drama produced by GTH/Nadao Bangkok, aired 2013–2015 in three seasons on GMM One, following Bangkok high schoolers through sex, drugs, violence and LGBTQ+ themes, and sparking a Thai censorship debate.
Hormozgan
Hormozgan (هرمزگان), a southern Iranian province on the Persian Gulf and Strait of Hormuz with capital Bandar Abbas; ranks at or near the bottom of Iranian provinces in social health, health-sector, and development indices.
Hormuz Island
Hormuz Island (Rainbow Island) is a 42 km² Iranian salt dome in the Strait of Hormuz, known for iron-oxide red soil, the Red Beach, the medieval Kingdom of Hormuz, and growing tourism.
Hormuzan
Hormuzan (هرمزان) was one of the last Sasanian Persian generals, governing Khuzestan and organizing resistance to the Arab conquest until his surrender at Shushtar in 642.
Horn (anatomy)
Horn (anatomy): the permanent, unbranched head appendage of Bovidae, with a frontal-bone bony core, vascular dermis, and keratin sheath; distinct from antlers, pronghorns, ossicones, and rhino horn, and functional in combat and thermoregulation.
Horn (instrument)
Horn (French horn): brass instrument descended from hunting horns, played with left-hand valves and right hand in the bell; natural horn, hand-stopping, Stölzel's 1814 valves, Kruspe-Gumbert 1897 double horn, F/B-flat tubes 360/270 cm.
Horn & Hardart
Horn & Hardart, American restaurant company founded in Philadelphia in 1888 by Joseph Horn and Frank Hardart, famous for its Automat waiterless coin-operated cafeterias from 1902 to 1991 in Philadelphia and New York; brand revived with Automat Coffee in the 2020s.
Horn antenna
A horn antenna is a waveguide flared to an open aperture, radiating a beam with moderate to high gain; it is also widely used to feed parabolic reflector antennas.
Horn clause
A Horn clause, also known as a Horn sentence, is a clause containing at most one positive literal, named after logician Alfred Horn, central to logic programming and Prolog.
Horn loudspeaker
A horn loudspeaker couples a speaker driver to a flared acoustic horn, raising efficiency and controlling sound direction; it remains standard in cinema and public-address systems.
Horn of Africa
The Horn of Africa is the horn-shaped peninsula of Eritrea, Djibouti, Somalia, and Ethiopia, often extended to Kenya, Sudan, South Sudan, and Uganda; defined by Ethiopian highland statehood, Christian-Muslim division, pastoralism, IGAD, and recurrent drought-driven food insecurity.
Horn River Basin
The Horn River Basin is an unconventional shale gas play in northeastern British Columbia, Canada, home to the first modern Canadian shale gas production in 2006.
Horn River Gas Field
The Horn River gas field is a shale gas play in the Horn River Basin of northeastern British Columbia, Canada, that produced dry natural gas until 2024.
Hornakht (17th Dynasty)
Hornakht was an official of the Theban 17th Dynasty during Egypt's Second Intermediate Period, known only from a rishi-coffin burial found at Dra Abu el-Naga in 1862.
Hornakht (prince)
Hornakht, also written Harnakhte, was a young son of pharaoh Osorkon II who was appointed High Priest of Amun at Tanis and died at about nine years of age.