All articles starting with H
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HemisFair '68
HemisFair '68 was a world's fair held in San Antonio, Texas, April 6 to October 6, 1968, the first international exposition in the Southwestern United States, themed the Confluence of Civilizations in the Americas.
Hemispatial neglect
Hemispatial neglect, also called unilateral spatial neglect or hemineglect, is a post-stroke attention disorder in which patients ignore the side of space opposite a brain lesion, usually the left after right hemisphere stroke.
Hemispherectomy
Hemispherectomy: neurosurgical removal or disconnection of one cerebral hemisphere to treat drug-resistant epilepsy. Includes anatomic hemispherectomy, functional hemispherectomy, and hemispherotomy; about 73% pooled seizure freedom, hydrocephalus the main complication.
Hemispheres (Rush album)
Hemispheres is Rush's sixth studio album, released October 1978, recorded at Rockfield Studios, Wales, and mixed at Trident Studios, London. Its side-long suite Cygnus X-1 Book II continues the story from A Farewell to Kings, with Apollo and Dionysus embodying the mind-heart conflict; the album also features The Trees and the instrumental La Villa Strangiato.
Hemispheres of Earth
Hemispheres of Earth: the Northern, Southern, Eastern, and Western halves set by the equator, prime meridian, and International Date Line, plus the land and water hemispheres centered near northeast land and the Pacific near Kiribati.
Hemispherical combustion chamber
A hemispherical combustion chamber, also called a Hemi-head, is a domed engine cylinder head chamber that allows large valves and short flame travel, used in Chrysler's Hemi V-8s from 1951.
Hemispherical power asymmetry
The hemispherical power asymmetry is a cosmic microwave background anomaly where temperature fluctuations are larger on one hemisphere, first seen in WMAP data in 2004.
Hemispherical resonator gyro
A hemispherical resonator gyro is a gyroscope that senses rotation with a vibrating fused silica shell and no rotating parts, used in spacecraft like Cassini and Webb.
Hemispherotomy
Hemispherotomy is a neurosurgical operation that disconnects one cerebral hemisphere from the rest of the brain to stop drug-resistant epilepsy, most often in children with extensive disease confined to that hemisphere.
Hemite relief
The Hemite relief is a Hittite rock relief near Gökçedam, Osmaniye Province, Turkey, showing a warrior with a Luwian inscription, dated to the 13th century BC.
Hemithyroidectomy
Hemithyroidectomy is an operation removing one lobe of the thyroid gland, usually with the isthmus, leaving the opposite lobe, parathyroids, and recurrent laryngeal nerve intact.
Hemitragus
Hemitragus, Hodgson 1841, is a caprine bovid genus now restricted to the Himalayan tahr (Hemitragus jemlahicus); molecular work showed the former three-tahr genus was polyphyletic, splitting out Arabitragus and Nilgiritragus.
Hemiunu
Hemiunu (Hemon) was a prince and vizier of Egypt's Fourth Dynasty serving King Khufu in the early twenty-sixth century BC, traditionally credited as architect of the Great Pyramid.
Hemky Madera
Hemky Madera, also credited as Hemky Louis Madera, is an American actor born in 1977 in Queens, New York, and raised in Santiago, Dominican Republic. Known for Pote Galvez in Queen of the South, Ignacio in Weeds, and Mr. Delmar in Spider-Man: Homecoming.
Hemlata Divakar
Hemlata Divakar, also known as Hemlata Diwakar Kushwaha, is an Indian Bharatiya Janata Party politician serving as Mayor of Agra and previously MLA for Agra Rural from 2017 to 2022.
Hemlata Rajye
Hemlata Rajye is the Maharani of Jodhpur and a princess of Poonch by birth; her children are Shivranjani Rajye and Shivraj Singh, born 1974 and 1975.
Hemlo Gold Mine
The Hemlo Gold Mine is a gold mine 35 km east of Marathon, Ontario, one of Canada's largest lode gold deposits, producing about 25 million ounces of gold.
Hemlock & Silver
Hemlock & Silver is a 2025 dark Snow White reimagining by T. Kingfisher (Ursula Vernon), published by Tor. Healer Anja, who drinks poisons to make antidotes, investigates Princess Snow's illness into a mirror world; NPR Best Book, Locus finalist.
Hemlock Grove (TV series)
Hemlock Grove is a Netflix horror-mystery series (2013–2015, 3 seasons, 33 episodes) based on Brian McGreevy's novel, executive produced by Eli Roth, starring Famke Janssen, Bill Skarsgård, and Landon Liboiron in a Pennsylvania steel town.
Hemlock Semiconductor Operations
Hemlock Semiconductor Operations (HSC) is an American producer of hyper-pure polysilicon based in Hemlock, Michigan, founded in 1979 and supplying the semiconductor and solar energy industries.
Hemlock woolly adelgid
Hemlock woolly adelgid (Adelges tsugae), a Japanese sap-sucking insect invasive in eastern North America since about 1951, kills eastern and Carolina hemlocks; spread rates, ecology, and chemical and biological control.
Hemmo A. Drexhage
Hemmo A. Drexhage is a Dutch medical immunologist and professor emeritus at Erasmus MC, Rotterdam, known for research on thyroid autoimmunity, type 1 diabetes, and psychiatry.
Hemmoor
Hemmoor, a town in Landkreis Cuxhaven, Lower Saxony, on the Oste river; namesake of the Miocene Hemmoorium stage, home of the Roman Hemmoor buckets, the Kreidesee diving lake, and the Osten-Hemmoor transporter bridge.
Hemne
Hemne, a former municipality in Trøndelag, Norway (1837–2019), administrative center Kyrksæterøra; merged 1 January 2020 with Halsa and part of Snillfjord into Heim kommune; 4,228 inhabitants (2019), 635 km², highest peak Ruten 1,040 m.
Hemoadsorption
Hemoadsorption is an extracorporeal blood purification therapy in which blood passes through a cartridge of adsorbent beads to remove inflammatory mediators, endotoxin, or toxins, aiming to moderate sepsis, drug toxicity, and poisoning.
HEMOBOX study
HEMOBOX (NCT03863652) is a prospective multicenter observational study of 250 patients measuring hemostasis duration after PCI via the distal radial snuffbox approach, reporting mean 199 minutes, 99.2% success, and no radial artery occlusion.
Hemocyanin
Hemocyanin is a copper-containing oxygen-transport protein found in the hemolymph of many arthropods and molluscs, turning blue when oxygenated; keyhole limpet hemocyanin (KLH) serves as a vaccine carrier protein.
Hemocyte (sensu Arthropoda)
A hemocyte is a blood cell circulating in the hemolymph of insects, crustaceans, and other arthropods, serving as their principal innate immune defense cell and aiding clotting and wound repair.
Hemocytometer
A hemocytometer, also called a counting chamber or Neubauer chamber, is a thick glass slide with an etched grid used to count cells in a known volume.
Hemocytometry
Hemocytometry is a bench microscopy technique that counts cells in a known volume in a calibrated chamber, giving cell concentration and, with a vital dye, viability.