All articles starting with H
20,046 articles
HIV/AIDS in Kenya
HIV/AIDS in Kenya is a generalized epidemic, first detected in 1984, that peaked at roughly 10 to 13 percent in the late 1990s and fell to 3.22% by 2026.
HIV/AIDS in South Africa
HIV/AIDS in South Africa is the world's largest national HIV epidemic, with about 8 million people living with HIV, and runs the largest antiretroviral treatment program.
HIV/AIDS in the Philippines
HIV/AIDS in the Philippines: epidemic since the 1984 first case, long "low and slow," now the fastest-growing HIV surge in Asia-Pacific under RA 8504 and RA 11166, with 4,633 new cases in Q1 2026.
HIV/AIDS in the United States
HIV/AIDS in the United States: the domestic HIV epidemic first reported June 5, 1981; over 1.2 million Americans living with HIV, about 38,000 new diagnoses in 2024, concentrated among men, Black and Hispanic people, and the South.
HIV/AIDS in Uganda
HIV/AIDS in Uganda is the national experience of a severe HIV epidemic that fell from about 15 percent of adults around 1991 to about 5 percent by 2001.
HIV/AIDS-related lymphoma
HIV/AIDS-related lymphoma, or AIDS-related lymphoma, is aggressive B-cell non-Hodgkin lymphoma (DLBCL, Burkitt, primary CNS lymphoma) arising in people with HIV, linked to EBV and HHV8, with incidence and outcomes transformed by antiretroviral therapy.
Hive (2026 film)
Hive (2026 film) is a Felipe Vargas Tubi Original horror movie starring Xochitl Gomez, about a babysitter, a playground hive mind, and Coral Grove; distinct from the 2021 Kosovo drama.
Hive AI
Hive AI, legally Castle Global Inc., is a San Francisco company selling AI moderation APIs for text, images, video, and audio, valued at $2 billion in 2021.
Hive BC
Hive BC (Hive Basketball Club) is an American professional women's 3-on-3 basketball team in Unrivaled, announced September 10, 2025 as an expansion club; coached by Rena Wakama, it debuted January 5, 2026 and finished its first season 4-10.
Hive Metastore
Hive Metastore (HMS): Apache Hive's metadata service storing table, partition, and location metadata in an RDBMS, served via Thrift (port 9083) to Spark, Trino, and other engines; standalone since Hive 3.0, with an Iceberg REST endpoint since 4.1.0.
Hive tool
Hive tool: the beekeeper's flat metal lever for opening propolis-glued hives, lifting frames, and scraping wax. Main types are the standard American pry bar, J-hook, and frame grip; stainless steel, 20 to 38 cm.
Hiver
Hiver is an Italian production and DJ duo from Milan, formed in 2012 by Giuseppe Albrizio and Sergio Caio, with releases on Vidab, Curle, Gudu, and CircoLoco Records.
Hivernacle
Hivernacle: the 1883–1887 cast-iron and glass greenhouse in Barcelona's Parc de la Ciutadella, built by Josep Amargós i Samaranch for the 1888 Universal Exposition, restored and reopened December 2023, now part of the Natural Sciences Museum.
Hives
Hives (urticaria): itchy wheals from mast cell histamine release, acute or chronic (over 6 weeks). Treated with second-generation H1-antihistamines up to fourfold, then omalizumab, then ciclosporin.
Hiwi (volunteer)
Hiwi (Hilfswilliger, "willing helper") was the German designation for Soviet civilians and POWs serving as individual auxiliaries in Wehrmacht units; about one million served, plus Trawniki-trained Hiwi camp guards.
Hiyama coupling
The Hiyama coupling is a palladium-catalyzed cross-coupling that forms a carbon–carbon bond between an organosilane and an organic halide, reported by Hatanaka and Hiyama in 1988.
Hizb ut-Tahrir (حزب التحرير)
Hizb ut-Tahrir (حزب التحرير), the Party of Liberation, is a transnational Sunni Islamist organization founded in Jerusalem in 1953 by Taqī al-Dīn al-Nabhānī that seeks a global caliphate under Shari'a; it is proscribed in the UK (2024), Germany, Russia, Indonesia, and other countries.
Hizbul Mujahideen
Hizbul Mujahideen (HM), a Kashmiri militant group founded in 1989, mostly indigenous Kashmiri cadre, long dominated the insurgency, designated FTO by the US in 2017 and listed by Canada and India.
Hızır Bey
Hızır Bey (خضر بیگ) was an Ottoman scholar and judge, the first kadi of Istanbul, appointed by Mehmed II after the 1453 conquest and serving until his death in 1459.
Hjalmar Andersen
Hjalmar "Hjallis" Andersen (1923-2013), Norwegian speed skater, won three golds (1,500 m, 5,000 m, 10,000 m) at the 1952 Oslo Winter Olympics and the European and World all-round titles 1950-1952.
Hjalmar Andersson
Hjalmar Andersson (Svensk Hjalmar Zakeus Andersson, 1889–1971), Swedish runner nicknamed "Insjön", took 1912 Olympic cross-country silver behind Kolehmainen and team gold with Sweden, plus Swedish titles 1918–20.
Hjalmar August Schiøtz
Hjalmar August Schiøtz (1850–1927) was a Norwegian ophthalmologist who introduced the indentation tonometer bearing his name in 1905, for decades the world's standard for measuring eye pressure.
Hjalmar Bergman
Hjalmar Bergman (1883–1931) was a Swedish novelist and dramatist whose fiction centers on the fictional town of Wadköping; his best-known novel is Markurells i Wadköping (1919).
Hjalmar Branting
Hjalmar Branting, also known as Karl Hjalmar Branting, was a Swedish Social Democratic politician who served three times as prime minister and won the 1921 Nobel Peace Prize.
Hjalmar Cedercrona
Hjalmar Cedercrona (Hjalmar Axel Fritz Cedercrona, 1883–1969), Swedish gymnast and artillery officer; won gold in men's team gymnastics with Sweden at the 1908 London Olympics, scoring 438 of 480 points.
Hjalmar Hammarskjöld
Hjalmar Hammarskjöld (Knut Hjalmar Leonard, 1862–1953), Swedish jurist and conservative Prime Minister 1914–1917; Uppsala law professor, Hague arbitrator, Nobel Foundation chairman 1929–47, father of UN chief Dag Hammarskjöld.
Hjalmar Johansson
Hjalmar Johansson (Carl August Hjalmar Johansson, 1874–1957), Swedish diver and swimmer; 1908 Olympic platform diving gold medalist, 1912 plain high diving silver medalist, FINA founding contributor, ISHOF inductee 1982.
Hjalmar Karlsson
Hjalmar Karlsson (Ernst Hjalmar Karlsson), Swedish sailor born 1906 in Örebro, died 1992 in Ekerö; Olympic gold in the 5.5 metre class at Melbourne 1956 aboard Rush V with Lars Thörn and Sture Stork; father of Olympians Per-Olof and Arne Karlsson.
Hjalmar Levin
Hjalmar Levin (John Gustaf Hjalmar Levin, 1884–1983) was a Swedish road cyclist from Eskilstuna and VoIF Diana co-founder who competed as a non-scoring entrant in the 1912 Stockholm Olympics team road race.
Hjalmar Mellin
Hjalmar Mellin, full name Robert Hjalmar Mellin, was a Finnish mathematician (1854–1933) who gave the Mellin transform its first systematic formulation and applied it to the Riemann zeta function.