All articles starting with H
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Heron Power
Heron Power, formerly Accelerate Power Co., is a Scotts Valley, California startup founded in 2024 by former Tesla executive Drew Baglino that develops solid-state transformers for data centers and the grid.
Heron Therapeutics
Heron Therapeutics, formerly A.P. Pharma, is a commercial-stage biotechnology company in Cary, North Carolina, selling FDA-approved therapies for chemotherapy-induced nausea and vomiting and postoperative pain, including SUSTOL and ZYNRELEF.
Heron Tower
Heron Tower, often called Salesforce Tower after its largest tenant, is a 46-storey office skyscraper at 110 Bishopsgate in the City of London, completed in 2011 as the City's tallest building.
Heron's formula
Heron's formula, also called Hero's formula, gives the area of a triangle from its three side lengths alone, without heights or angles, in Heron's Metrica of about AD 60.
Heronbridge
Heronbridge, Cheshire: Roman roadside settlement 2.5 km south of Chester (Deva) on Watling Street, occupied c. AD 90 to the 4th century, with a quay, tombs, the AD 613 battle of Chester site, and an AD 890-980 earthwork.
Heroon of Eretria
Heroon of Eretria: Geometric-period burial and cult site (ca. 750-630 BC) at the West Gate of ancient Eretria, Euboea, with nineteen elite burials, bronze cauldron cremations, a stone triangle, and a bothros for sacrifices.
Heroopolite Gulf
The Heroopolite Gulf (Greek Ἡρωοπολίτης κόλπος, Latin Sinus Heroöpolites) is the classical name for the modern Gulf of Suez, named for the city of Heroopolis at its head.
Heropanti
Heropanti (हीरोपंती) is a 2014 Hindi romantic action film directed by Sabbir Khan, produced by Sajid Nadiadwala, a remake of the Telugu film Parugu, and the debut film of Tiger Shroff and Kriti Sanon, released 23 May 2014.
Heropanti 2
Heropanti 2 is a 2022 Hindi action film, sequel to Heropanti, directed by Ahmed Khan, starring Tiger Shroff, Nawazuddin Siddiqui, and Tara Sutaria; it opened to ₹6.50 crore and negative reviews.
HeroQuest
HeroQuest is a fantasy dungeon-crawl board game created by Stephen Baker and published by Milton Bradley with Games Workshop, released in 1989 and re-launched by Avalon Hill in 2021.
Herostrates
Herostrates is a 1920 programmatic poem by the Polish poet Jan Lechoń that opens his debut collection Karmazynowy poemat, calling for the destruction of monuments to Poland's national myths.
Herostratus (Ἥροστρατος)
Herostratus (Ἥροστρατος, Herostratos) was the Ephesian arsonist who burned the Temple of Artemis at Ephesus in 356 BC to immortalize his name; executed and condemned to name-oblivion, he survives as the namesake of the Herostratos syndrome of notoriety-seeking violence.
Herotel
Herotel is a South African telecommunications company that builds and operates fixed wireless and fiber-to-the-home networks in over 500 towns, owned by Vumatel since June 2026.
Herpangina
Herpangina is a contagious childhood viral illness caused by enteroviruses, mainly group A coxsackieviruses, producing fever, sore throat, and small posterior-mouth ulcers; it peaks in summer, resolves within a week, and is treated supportively.
Herpelidae
Herpelidae (African caecilians), family of Gymnophiona with genera Boulengerula and Herpele, 11 species in Sub-Saharan Africa; sister to Chikilidae, defined by Wilkinson et al. 2011 reclassification.
Herpes
Herpes, caused by herpes simplex virus HSV-1 and HSV-2, is a lifelong, treatable but incurable infection causing oral and genital blisters; 3.8 billion people under 50 have HSV-1 and 520 million aged 15–49 have HSV-2, with no licensed vaccine.
Herpes (site)
Herpes (site): Merovingian cemetery at Herpes, Courbillac, Charente, France, also called cimetière d'Herpes; 6th-century Frankish burial ground of about 1,600 tombs excavated by Philippe Delamain from 1886, finds mostly in the British Museum.
Herpes gladiatorum
Herpes gladiatorum (mat herpes, scrum pox) is HSV-1 skin infection spread by skin-to-skin contact in wrestling and rugby; causes clustered vesicles on the head, face, and neck, treated with valacyclovir.
Herpes simplex infections
Herpes simplex infections, caused by HSV-1 and HSV-2, are lifelong latent viral infections causing recurrent oral and genital lesions; treated with acyclovir, valacyclovir, or famciclovir but not curable, affecting billions worldwide.
Herpes simplex keratitis
Herpes simplex keratitis (HSK, herpetic keratitis) is HSV-1 corneal infection, a leading infectious cause of blindness. Dendritic epithelial disease heals with trifluridine or acyclovir; stromal disease needs steroids plus antivirals.
Herpes simplex labialis
Herpes simplex labialis (cold sores, fever blisters), recurrent lip lesions from latent HSV-1 reactivation; prodrome, 5-7 day course, triggers, and antiviral treatment evidence.
Herpes simplex meningitis
Herpes simplex meningitis, HSV-2 meningitis, Mollaret's recurrent lymphocytic meningitis: meningeal inflammation from HSV-1/2, mostly HSV-2 after genital herpes; self-limiting, diagnosed by CSF PCR, treated with IV acyclovir.
Herpes simplex virus
Herpes simplex virus (HSV-1, HSV-2) is a human virus causing oral and genital herpes, establishing lifelong latency in sensory neurons with periodic reactivation; no cure exists, but acyclovir, valacyclovir, and famciclovir control symptoms.
Herpes simplex virus encephalitis
Herpes simplex virus encephalitis (HSE, HSVE): rare HSV-1 brain infection of frontal and temporal lobes, diagnosed by CSF PCR, treated with IV acyclovir for 14–21 days; 70% mortality untreated, epilepsy and disability common in survivors.
Herpes simplex virus stromal keratitis
Herpes simplex virus stromal keratitis (HSK, herpes stromal keratitis) is immune-mediated corneal stromal inflammation after HSV-1 infection, causing scarring and vision loss; treated with tapered topical corticosteroids plus oral antivirals, as established by the HEDS trials.
Herpestes
Herpestes (Illiger, 1811) is a mongoose genus, now paraphyletic: African species remain, nine Asian species moved to Urva. Includes the small Indian mongoose, a major invasive predator on islands.
Herpesviridae
Herpesviridae is a family of enveloped double-stranded DNA viruses (125–241 kbp genomes) of mammals, birds, and reptiles that establish lifelong latency; its eight human members include HSV-1/2, VZV, EBV, CMV, and HHV-6–8.
Herpesvirus capsid shell protein 1
Herpesvirus capsid shell protein 1 (InterPro IPR004999, Herpes_1) is the triplex capsid protein TRX1, HSV-1 VP19C encoded by UL38; one copy plus two VP23 form the triplex linking capsomers in the icosahedral capsid.
Herpesvirus thymidine kinase
Herpesvirus thymidine kinase (HSV-1 UL23 TK, EC 2.7.1.21) is a viral enzyme activating acyclovir and ganciclovir; HSV-1 TK has broad substrate specificity, while FHV, CHV, VZV, and HHV-8 TKs are narrower.
Herpesvirus UL97
Herpesvirus UL97 (pUL97) is the human cytomegalovirus serine/threonine protein kinase, prototype of the conserved herpesvirus protein kinases (CHPKs), that activates ganciclovir, drives nuclear capsid egress, mimics cellular Cdks, and is targeted by the approved drug maribavir.