All articles starting with H
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Hyesung Park
Hyesung Park (박혜성) is a South Korean energy materials researcher known for graphene transparent electrodes and perovskite solar cells, a professor at Korea University since 2023.
Hyettos
Hyettos (Ὑηττός), a small ancient Greek polis in northern Boeotia near modern Pavlos, Greece; independent since the Archaic period, known from Pausanias, military catalogs, and the Boeotia Project surveys.
HyFerr study
HyFerr (Candidate Gene for Hyperferritinemia, NCT05659017) is an observational genetic study at the University of Milano Bicocca and San Gerardo Hospital, Monza, sequencing a candidate gene in 100 patients with unexplained hyperferritinemia without iron overload; it yielded biallelic STAB1 variants as a novel cause.
Hyflux
Hyflux was a Singapore water-treatment and seawater-desalination group founded by Olivia Lum in 1989 and listed from 2001, which collapsed into judicial management in 2020 and liquidation in 2021.
Hygge
Hygge is a Danish word roughly meaning coziness or well-being, originating in old Norwegian and adopted into Danish in the late 18th century. It became an international lifestyle trend in 2016-17 and entered the Oxford English Dictionary in 2017.
Hygiea family
Hygiea family: outer main-belt asteroid family of dark C/B-type fragments from (10) Hygiea, the fourth largest asteroid, formed by a giant head-on impact with a 75-150 km projectile over 2 billion years ago.
Hygieia
Hygieia (Ὑγιεία, Hygia), Greek goddess of Health, daughter of Asclepius and Epione, sister of Panacea, worshipped with her father at Athens, Epidaurus, Pergamon, and Titane; source of the word hygiene.
Hygiene
Hygiene: conditions and practices maintaining health and preventing disease spread, covering hand hygiene, environmental cleaning, and WASH. Key facts: WHO-5 hospital strategy, 80% global basic hygiene coverage in 2024, 394,000 diarrhoea deaths from unsafe hand hygiene.
Hygiene hypothesis
Hygiene hypothesis: Strachan's 1989 proposal that reduced early-life microbial exposure impairs immune maturation, raising allergy and autoimmune risk; revised as the old friends and biodiversity hypotheses.
Hyginus
Hyginus was the ninth Bishop of Rome, or pope, serving from about 138 to 142 between Telesphorus and Pius I; almost nothing certain is known of him.
Hygon Information Technology (海光信息技术股份有限公司)
Hygon Information Technology (海光) is a Chinese fabless semiconductor company founded in Tianjin in 2014 from a 2016 AMD licensing agreement, now a principal domestic supplier of x86 server CPUs and AI accelerators.
Hygrometer
A hygrometer, also called a humidity meter, is an instrument that measures the water vapor content of air, typically as relative humidity or dew point.
Hygrophoraceae
Hygrophoraceae, the waxcap and woodwax family (Hygrocybe, Hygrophorus), is an early-diverging Agaricales family of 600-plus mostly biotrophic species, revised phylogenetically in 2014 and split into five families by 2024.
Hygroscopy
Hygroscopy is the tendency of a substance to absorb water from the atmosphere, through adsorption, absorption, or capillary condensation; a substance that does so is hygroscopic.
Hyksos
Hyksos (Egyptian heqa khasut, 'rulers of foreign lands'): West Semitic Fifteenth Dynasty kings who ruled northern Egypt from Avaris (Tell el-Dab'a), c. 1650–1550 BC, until expelled by Ahmose I.
Hyksos conquest of Egypt
The Hyksos conquest of Egypt, or Hyksos invasion, was the takeover of northern and Middle Egypt by the West Semitic Fifteenth Dynasty, ruling from Avaris around 1638–1530 BC.
Hyla
Hyla is a genus of treefrogs in the family Hylidae, established by Josephus Nicolaus Laurenti in 1768 with the type species Hyla viridis, native to Europe, Asia, and North Africa.
Hyla Napadensky
Hyla Napadensky was an engineer at IIT Research Institute who studied the sensitivity of explosives and solid rocket propellants to detonation under low-velocity impact, and was elected to the National Academy of Engineering.
Hylaeus (bee)
Hylaeus, the yellow-faced or masked bees (nalo meli maoli in Hawaii), is a cosmopolitan genus of small solitary plasterer bees that carry pollen internally, nest in stems, and include Hawaii's only native bees, with seven endangered species.
Hylarana
Hylarana (水蛙属), golden-backed frogs, is a Ranidae frog genus erected by Tschudi in 1838 with Hyla erythraea as type; about 108 species across Africa, tropical Asia, and Australasia, with a disputed, repeatedly revised generic content.
Hylidae
Hylidae, the treefrogs, is a species-rich frog family of the Americas, Australasia, and temperate Eurasia, defined by claw-shaped terminal phalanges, with subfamilies Hylinae, Pelodryadinae, and Phyllomedusinae and South American origin.
Hyliion Holdings
Hyliion Holdings is a Texas-based power technology company founded by Thomas Healy in 2015 that builds the KARNO Power Module, a fuel-agnostic linear generator running on more than 20 fuels.
Hyllus (river)
The Hyllus (Ὕλλος) was a river of ancient Lydia in western Anatolia, a northern tributary of the Hermus, named in Homer's Iliad and later called the Phrygius by Strabo.
Hylobates
Hylobates (gibbons, dweller in the trees) is a genus of nine small arboreal Southeast Asian ape species, family Hylobatidae, 2n=44, heavy hind limbs, brachiating locomotion, endangered.
Hylobates lar
Hylobates lar, the lar or white-handed gibbon (originally Homo lar, Linnaeus 1771), is an Endangered Southeast Asian lesser ape with five subspecies, duetting territorial pairs, a frugivorous diet, and extinction of its Yunnan subspecies in China in 2022.
Hylobates moloch
Hylobates moloch, the silvery or Javan gibbon (Audebert, 1797), is an Endangered lesser ape endemic to Java, non-duetting like only Kloss's gibbon, with 2,640 to 4,178 wild individuals in about 30 forest fragments.
Hylocichla
Hylocichla (Baird, 1864) is a monotypic thrush genus (Turdidae) containing only the Wood Thrush, Hylocichla mustelina (Gmelin, 1789), an eastern North American migrant wintering from Mexico to Panama; once lumped with Catharus, now retained as separate on genetic evidence.
Hylocomium splendens
Hylocomium splendens (glittering woodmoss, stair-step moss, splendid feather moss) is a boreal pleurocarpous moss with red stems, paraphyllia, and annual stair-step segments, dominant in spruce forests and used as a pollution bioindicator.
Hylodes
Hylodes, also called Torrent Frogs or Tree Toads, is a genus of 26 diurnal stream-breeding frog species in Hylodidae, endemic to Atlantic Forest streams from Espírito Santo to Rio Grande do Sul, Brazil.
Hylodidae
Hylodidae, the Giant Neotropical Torrent Frogs, is a family of 48 stream-breeding frog species in four genera (Hylodes, Crossodactylus, Megaelosia, Phantasmarana) endemic to Atlantic Forest Brazil and northern Argentina, sister to Alsodidae within Neoaustrarana.