All articles A–Z
519,064 articles
Hildegarde Naughton
Hildegarde Naughton is an Irish Fine Gael politician who has served as Minister for Education and Youth since 2025 and as a TD for Galway West since 2016.
Hildesheim Madonna
The Hildesheim Madonna is a gold-covered statue of the Virgin Mary with the Christ Child in the treasury of Hildesheim Cathedral, Germany, dating from Bishop Bernward's time.
Hildgund Schrempf
Hildgund Schrempf is a researcher at Osnabrück University who identified and cloned KcsA, the first known prokaryotic potassium ion channel, from Streptomyces lividans in 1995.
Hilding Berglund
Hilding Berglund (1887–1962) was a Swedish physician and professor of medicine specializing in kidney and metabolic disease, who taught at Harvard and Minnesota before leading a Stockholm clinic.
Hilding Faxén
Hilding Faxén (Olov Hilding Faxén) was a Swedish physicist known for the Faxén correction and Faxén's theorem, which describe the drag on a sphere in slowly varying viscous flow.
Hildoceras
Hildoceras, also called Hildoceras bifrons, is a Toarcian (Lower Jurassic) ammonite genus in Hildoceratidae, marked by a spiral flank groove, known from Yorkshire's Alum Shale and Mediterranean Tethys faunas.
Hildrun Laufer Claus
Hildrun Laufer-Claus (Hildrun Claus), born 13 May 1939 in Dresden, East German long jumper; 1960 Rome Olympic bronze medalist and world record holder (6.40 m in 1960, 6.42 m in 1961).
Hilduin
Hilduin, who died in 840, was abbot of the royal abbey of Saint-Denis and archchaplain to Emperor Louis the Pious, and made the first Latin translation of Pseudo-Dionysius.
Hildur Guðnadóttir
Hildur Guðnadóttir (born 1982) is an Icelandic cellist, vocalist, and composer of Joker, Chernobyl, and Tár. First female composer to win the Oscar, Golden Globe, and BAFTA in one season; also an Emmy and Grammy winner.
Hildy Angius
Hildy Angius is an American Republican politician representing Arizona's 30th Senate district since 2025, who earlier served 12 years on the Mohave County Board of Supervisors in Bullhead City.
Hilf al-Fudul
Hilf al-Fudul (حلف الفضول) was an alliance of Quraysh clans in Mecca, formed about twenty years before Muhammad's mission to defend any wronged person against the wrongdoer.
Hili
Hili is a Bronze Age archaeological complex of tombs, mudbrick towers, and settlement remains in the Hili oasis of Al Ain, Abu Dhabi, occupied from about 3000 BCE.
Hili 8
Hili 8 is a Bronze Age settlement in the Hili oasis at Al Ain, Abu Dhabi, UAE, occupied from about 3000 to 1700 BC through the Hafit, Umm an-Nar, and Wadi Suq periods.
Hiligaynon language
Hiligaynon, also called Ilonggo, is a Bisayan (Austronesian) regional language of the Western Visayas, Philippines, spoken on Panay, Negros Occidental, Guimaras, and Mindanao; the fourth-largest Philippine language, lingua franca of the region, ISO code hil.
Hilkiah
Hilkiah was the high priest of Judah under King Josiah, credited with finding the book of the law in the Temple of Jerusalem around 622 BC.
Hilkka I. Kenttämaa
Hilkka I. Kenttämaa, also written Hilkka Kenttamaa, is a Finnish-born chemist at Purdue University known for mass spectrometry studies of reactive intermediates and the LIAD technique.
Hill
Hill: a raised landform smaller and lower than a mountain, rising above surrounding terrain. Covers classification thresholds (200–500 m elevation, relief roughness), formation by uplift and erosion, hillslope erosion, and hill farming.
Hill & Adamson
Hill & Adamson was an Edinburgh photography partnership of painter David Octavius Hill and Robert Adamson, active 1843 to 1848 and regarded as the first artistic use of photography.
Hill 262
Hill 262 is the Allied name for the Mont Ormel ridge in Normandy, held by the Polish 1st Armoured Division from 19 to 21 August 1944.
Hill 303 massacre
The Hill 303 massacre was a North Korean war crime during the Korean War, in which captured American soldiers were shot near Waegwan, South Korea, on August 17, 1950.
Hill cipher
The Hill cipher is a classical polygraphic cipher invented by Lester S. Hill in 1929 that encrypts blocks of letters using an invertible key matrix modulo 26.
Hill climbing
Hill climbing is a local search algorithm that repeatedly moves from the current solution to a better neighbor, stopping at a local maximum, which may not be the global optimum.
Hill differential equation
The Hill differential equation is a second-order linear differential equation with a periodic coefficient, introduced by George William Hill in 1878 to study the Moon's motion.
Hill District
The Hill District is a predominantly African American neighborhood of about 1.56 square miles east of Downtown Pittsburgh, once a national Black cultural and jazz center, devastated by 1950s urban renewal that displaced 8,000 residents, and now undergoing major redevelopment.
Hill equation (biochemistry)
Hill equation (Hill-Langmuir equation): empirical biochemical formula from A.V. Hill's 1910 hemoglobin work describing ligand saturation with a Hill coefficient n; n=1 noncooperative, n>1 positive cooperativity; identical to the 4PL dose-response model.
Hill figure
Hill figures are large geoglyphs cut into chalk hillsides, mainly in England, including the Uffington White Horse, the Cerne Abbas Giant, and the Long Man of Wilmington, dated by OSL.
Hill Forts of Rajasthan
Hill Forts of Rajasthan, UNESCO World Heritage Site since 2013, a serial property of six Rajput hill forts (Chittorgarh, Kumbhalgarh, Ranthambore, Gagron, Amber, Jaisalmer) built 8th-18th centuries, walls up to 20 km, criteria (ii) and (iii).
Hill Harper
Hill Harper (born Iowa City, Iowa) is an American actor, author, and philanthropist known for Dr. Sheldon Hawkes on CSI: NY and Dr. Marcus Andrews on The Good Doctor; he lost Michigan's 2024 Democratic Senate primary to Elissa Slotkin.
Hill of Freedom (자유의 언덕)
Hill of Freedom (자유의 언덕, Jayu-ui eondeok) is Hong Sang-soo's 2014 South Korean romantic comedy-drama, his 16th feature, starring Ryo Kase as Mori, a Japanese man searching Seoul for Kwon (Seo Young-hwa); its undated, shuffled letters scramble the chronology. It competed at Venice Orizzonti and won the Nantes Golden Montgolfier.
Hill of Tara
The Hill of Tara (Teamhair) is a hill in County Meath, Ireland, the traditional seat of the High Kings and a ceremonial site used from Neolithic times.