All articles starting with H
20,046 articles
Hybridizable discontinuous Galerkin method
The hybridizable discontinuous Galerkin (HDG) method is a discontinuous Galerkin finite element method for partial differential equations, reported by Cockburn, Gopalakrishnan, and Lazarov in 2009.
Hybridization chain reaction
Hybridization chain reaction (HCR) is an enzyme-free, isothermal nucleic acid amplification method introduced by Dirks and Pierce in 2004, used mainly for multiplexed fluorescence in situ hybridization and biosensing.
Hybridoma technology
Hybridoma technology is a laboratory method for producing monoclonal antibodies by fusing short-lived antibody-producing B cells with immortal myeloma cells; described in 1975, it earned the 1984 Nobel Prize.
Hybristes Planum
Hybristes Planum is a plateau on Jupiter's volcanic moon Io, about 196 km across, named for a place in the mythological Io's wanderings and approved in 1985.
Hybristophilia
Hybristophilia is sexual and romantic attraction to people who commit crimes, especially violent ones; a mainly female, non-diagnosable paraphilic interest studied via attachment, media, and forensic risk frameworks.
HYBRIT
HYBRIT (Hydrogen Breakthrough Ironmaking Technology) is a Swedish initiative, launched in 2016 by SSAB, LKAB, and Vattenfall, that replaces coking coal with fossil-free hydrogen to make iron and steel.
Hybutimibe
Hybutimibe (海博麦布, hyzetimibe, HS-25; brand Saisimei) is an oral NPC1L1 cholesterol absorption inhibitor made by Zhejiang Hisun, approved in China June 2021 for primary hypercholesterolemia, dosed 10 or 20 mg daily, adding about 16% LDL-C reduction to statins.
Hycean planet
A Hycean planet, or Hycean world, is a proposed class of habitable sub-Neptune exoplanet with a water ocean under a hydrogen-rich atmosphere, theorized in 2021.
HYCOM
HYCOM (HYbrid Coordinate Ocean Model) is an ocean general circulation model that switches its vertical coordinate with location, used for global ocean nowcasting and operational hurricane prediction.
HYCOR study
HYCOR (Hybrid-sensor Breath Analysis for Colorectal Cancer Screening, NCT05173077) is a University of Latvia ERDF-funded project, 2021-2023, testing a MOX-plus-IR hybrid breath sensor analyzer and GC-MS VOC markers for colorectal cancer screening, distinct from the unrelated Hycor Biomedical allergy company.
Hycroft Mining Holding Corporation
Hycroft Mining Holding Corporation, formerly the SPAC Mudrick Capital Acquisition Corporation, is a US gold and silver exploration company that owns the Hycroft Mine in northern Nevada.
Hydantoin
Hydantoin (imidazolidine-2,4-dione) is a five-membered heterocyclic compound with formula C₃H₄N₂O₂, isolated by Baeyer in 1861 and valued as a drug scaffold, including the anticonvulsant phenytoin.
Hydarnes
Hydarnes (هیدارن) was the name of two related Persian nobles of the Achaemenid Empire: the elder helped Darius I take the throne in 522 BC, the younger led the Immortals at Thermopylae in 480 BC.
Hydaspis Chaos
Hydaspis Chaos: 355-km-wide chaotic terrain on Mars at 3.16N, 27.10W, south of Chryse Planitia, at the head of Tiu Vallis; IAU named 1976; source of Simud and Tiu outflow channel floods.
Hydata Lesitana
Hydata Lesitana (Aquae Lesitanae, Terme di San Saturnino): Roman thermal station at Benetutti, Sardinia, named by Ptolemy; imperial-age circular stepped pool, Asclepius shrine, waters still used for free bathing.
Hyde (musician)
HYDE (Hideto Takarai, born 1969, Wakayama) is a Japanese rock vocalist of L'Arc-en-Ciel, VAMPS, and THE LAST ROCKSTARS, solo artist since 2001 with over 40 million albums sold.
Hyde Amendment
Hyde Amendment: annual US appropriations rider, first passed September 30, 1976, named for Rep. Henry Hyde, barring federal abortion funding except for rape, incest, or life endangerment; upheld in Harris v. McRae (1980).
Hyde Jekyll, Me
Hyde Jekyll, Me (하이드 지킬, 나; Haideu Jikil, Na) is a 2015 SBS Korean drama, 20 episodes, starring Hyun Bin as theme-park director Koo Seo-jin with a gentle alter ego Robin, and Han Ji-min; based on Lee Choong-ho's webtoon, it aired against Kill Me, Heal Me and ended with 4.3% ratings.
Hyde Park on Hudson
Hyde Park on Hudson is a 2012 Roger Michell comedy-drama, written by Richard Nelson from his BBC radio play, starring Bill Murray as FDR and Laura Linney as Daisy Suckley during King George VI's 1939 Hyde Park visit.
Hyde Park, Chicago
Hyde Park, Chicago, is a lakefront South Side neighborhood home to the University of Chicago and the 1893 World's Columbian Exposition, about six miles from the Loop.
Hyde Park, London
Hyde Park, London: a 350-acre Royal Park in Westminster, acquired by Henry VIII in 1536, opened to the public in 1637, home to the Serpentine, Speaker's Corner, the 1851 Great Exhibition site and major events like Winter Wonderland.
Hyde Park, New York
Hyde Park, New York: a town in Dutchess County on the Hudson River, home of Franklin D. Roosevelt, three national park sites, the first presidential library, and the Culinary Institute of America; population 21,021 (2020).
Hyde Park, Sydney
Hyde Park, Sydney: Australia's oldest public parkland, named by Governor Macquarie on 6 October 1810 on land reserved as a common in 1792. A 16-hectare CBD park divided by Park Street, home to the Anzac Memorial, Archibald Fountain, and Emden Gun, reshaped after City Circle railway excavation and Norman Weekes's 1926 design.
Hyde Parker (admiral)
Sir Hyde Parker (1739–1807) was a British admiral who commanded the Jamaica Station and led the Baltic fleet at the Battle of Copenhagen in 1801.
Hydeia Broadbent
Hydeia Loren Broadbent (1984–2024), American HIV/AIDS activist born HIV-positive, nationally known from a 1992 Nickelodeon special with Magic Johnson, Oprah appearance, and 1996 Republican Convention speech; died February 20, 2024, in Las Vegas at 39.
Hyder Ali (ಹೈದರ್ ಅಲಿ)
Hyder Ali (ಹೈದರ್ ಅಲಿ, c. 1720–1782), illiterate soldier-adventurer and de facto ruler of Mysore from 1761; fought the British in the First and Second Anglo-Mysore Wars; built a French-trained army with rockets; father of Tipu Sultan.
Hyder Ali's invasion of the Carnatic
Hyder Ali's invasion of the Carnatic was the Mysore ruler's July 1780 descent into the region around Madras, opening the Second Anglo-Mysore War against the British East India Company.
Hyder Ali's seizure of power in Mysore
Hyder Ali's seizure of power in Mysore (हैदर अली) was the takeover by the Muslim commander, completed about 1761, leaving the Wodeyar raja only a nominal king.
Hyderabad (హైదరాబాద్)
Hyderabad (హైదరాబాద్), capital of Telangana, India; founded 1591 by Muhammad Quli Qutb Shah, former Nizam capital, ~10.27 million metro population, major IT, pharma, and vaccine hub.
Hyderabad Blues
Hyderabad Blues (1998) is Nagesh Kukunoor's self-funded indie debut about an NRI returning to Hyderabad after 12 years in the US, facing arranged-marriage pressure; a landmark of Indian independent cinema.