All articles starting with H
20,046 articles
Halacaridae
Halacaridae, sea mites in superfamily Halacaroidea (Trombidiformes), are the only mite family fully adapted to marine life, with over 1,000 species from littoral to deep sea and the oldest extant secondarily marine animal lineage.
Halaf culture
Halaf culture: Late Neolithic archaeological culture of northern Mesopotamia, southeast Anatolia, and the Levant, c. 6100–5300 BC, named after Tell Halaf. Known for polychrome painted pottery, tholos architecture, and the earliest stamp seals; replaced by the Ubaid culture.
Halahasun
Halahasun (哈剌哈孫) was a Mongol statesman of the Yuan dynasty who rose to right councilor of the Secretariat and installed Emperors Wuzong and Renzong in the succession crisis of 1307.
Halahatang Oil Field
The Halahatang oil field (哈拉哈塘油田) is an ultra-deep oil field in China's Tarim Basin, producing from Ordovician carbonate reservoirs 7,000 to 8,000 meters deep, discovered in 2009.
Halahhu
Halahhu, the biblical Halah, was a district of the Neo-Assyrian Empire east of the Tigris, a destination of Israelite exiles after Samaria fell in 722 BCE.
Halaib Triangle (مثلث حلايب)
Halaib Triangle (مثلث حلايب), also Halayeb, is a 20,580 km² Red Sea coastal territory claimed by both Egypt (1899 boundary) and Sudan (1902 boundary); Egypt has administered it since 2000, leaving Bir Tawil unclaimed.
Halakha (הלכה)
Halakha (הלכה), also spelled Halachah, is the body of Jewish religious law, combining biblical commandments, rabbinic legislation, and custom, treated by observant Jews as the guide to religious and daily life.
Halal (حلال)
Halal (حلال) is an Arabic word meaning "allowed" or "lawful"; in Islamic law it names what a Muslim may eat, use, or do, as opposed to haram (forbidden).
Halal cart
Halal cart: NYC mobile food cart selling chicken or gyro over rice with white sauce, born from 1990s Muslim immigration; The Halal Guys (53rd & 6th, founded 1990) turned the format into a global franchise.
Halal snack pack
Halal snack pack (HSP): Australian kebab-shop dish of hot chips, doner kebab meat (lamb/chicken), cheese, and garlic, barbecue and chilli sauces; fame via the 2015 Halal Snack Pack Appreciation Society and 2016 Macquarie People's Choice Word of the Year; called an AB in Adelaide.
Halamata Cave
Halamata Cave, known as the Maltai rock reliefs or Shkafta Halamata, is a Neo-Assyrian site of four carved divine-procession panels on Jebel Zawiya near Duhok, Iraq, likely from Sennacherib's reign.
Halancola
Halancola (Halankola, Hilancula) is a seventeenth-century South American race game resembling backgammon, played with the pichqa die; known only from Bertonio's 1612 Aymara dictionary and Waman Puma, rules lost, pending reconstruction.
Halara
Halara is a direct-to-consumer women's athleisure brand founded in 2020 by former software engineer Joyce Zhang, which grew through TikTok virality with a near-zero inventory model.
Halasarna
Halasarna (Ἁλάσαρνα), ancient deme at modern Kardamaina, southern Kos, Dodecanese. Center of the Halasarnitai and Sanctuary of Apollo Pythaios; occupied from the Middle Bronze Age to the 6th century CE, with HSP survey finds and Hellenistic amphora production.
Halauxifen methyl
Halauxifen methyl (Arylex, XDE-729 methyl) is an arylpicolinate synthetic auxin herbicide launched in 2015 for broadleaf weed control in cereals at 5–30 g/ha, with a 10–30 day soil half-life and AFB5-preferring receptor binding.
Halay music
Halay, called govend in Kurdish, is a collective line and circle dance-music genre of Central, Eastern, and Southeastern Anatolia, performed to davul and zurna at weddings and festivals.
Halazepam
Halazepam (Paxipam) is a trifluoroethyl benzodiazepine anxiolytic, C17H12ClF3N2O, metabolized to desmethyldiazepam, US Schedule IV since 1981, lower abuse liability than diazepam, no longer marketed in the US.
Halbach array
A Halbach array is an arrangement of permanent magnets whose rotating magnetization concentrates the magnetic field on one side and largely cancels it on the other.
Halberd
A halberd, also called Hellebarde, is a two-handed polearm with an axe blade, top spike, and rear hook on a long shaft, developed in 14th-century Switzerland.
Halberg Mithraeum
Halberg Mithraeum (Heidenkapelle): Roman Mithras sanctuary in a natural sandstone cave on the Halberg hill, Saarbrücken, Germany, used from the mid-3rd to late 4th century AD, excavated by Karl Klein in 1921 and later reconstructed.
Halbert White
Halbert Lynn White, Jr. (1950–2012) was an American econometrician at the University of California, San Diego, whose 1980 heteroskedasticity-consistent estimator and 1982 misspecification theory reshaped empirical economics.
HALCA
HALCA (はるか) was a Japanese radio astronomy satellite and the first spacecraft to perform Very Long Baseline Interferometry from space, launched in February 1997 with an 8-meter radio telescope.
Halcyon
Halcyon (Blue Kingfishers), a genus of 12 Old World tree-kingfisher species in Alcedinidae, subfamily Halcyoninae, established by Swainson 1821; sister to Pelargopsis, once far more broadly circumscribed.
Halcyon (company)
Halcyon is an American cybersecurity company founded in 2021 and headquartered in Austin, Texas, whose anti-ransomware platform captures ransomware's encryption keys so files can be decrypted without paying.
Halcyon (Kingfishr album)
Halcyon is the 2025 debut album by Irish indie folk trio Kingfishr (Eddie Keogh, Eoghan McGrath, Eoin Fitzgibbon), released August 22, 2025 on B-Unique/Atlantic; 16 tracks, 52 minutes, with a November 2025 deluxe edition.
Halda Therapeutics
Halda Therapeutics is a New Haven, Connecticut clinical-stage biotechnology company founded by Yale professor Craig Crews in 2019 to develop RIPTAC cancer therapies; in 2025 Johnson & Johnson agreed to acquire it for $3.05 billion.
Haldane (Martian crater)
Haldane is a 76.75 km diameter impact crater on Mars at 52.75°S, 129.26°E, approved by the IAU in 1973 and named for British physiologist-geneticist John B. Haldane (1892-1964).
Haldane model
The Haldane model, introduced by F. D. M. Haldane in 1988, is a honeycomb-lattice model whose complex hopping breaks time-reversal symmetry, giving a quantum Hall effect with no magnetic field.
Haldane phase
The Haldane phase is a gapped phase of one-dimensional integer-spin antiferromagnetic chains with hidden topological order and edge states, the first symmetry-protected topological phase discovered.
Haldane R. Mayer
Haldane R. Mayer, also known as Haldane Robert Mayer, is an American jurist serving as a senior judge of the U.S. Court of Appeals for the Federal Circuit.