All articles starting with H
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HM Prison Dartmoor
HM Prison Dartmoor is a men's category C prison in Devon, England. Built by the Admiralty in 1806–09, it originally held prisoners of war and civilian inmates.
HM Prison Frankland
HMP Frankland is a high-security category A men's prison in Brasside, County Durham, opened in 1980, holding around 850 serious and life-sentence prisoners, with Westgate, separation, and close supervision units.
HM Prison Manchester
HM Prison Manchester, known as Strangeways until 1994, is a men's category B high security training prison in Manchester city centre. Built 1866-68 by Alfred Waterhouse, it was placed on Urgent Notification in 2024 over drone drug deliveries, violence and self-harm.
HM Prison Maze
HM Prison Maze, also Long Kesh, was a maximum-security prison near Lisburn holding paramilitary prisoners during the Troubles (1971-2000), known for the H-Blocks, the 1981 hunger strikes, and the 1983 escape of 38 prisoners.
HM Prison Millsike
HM Prison Millsike, also known as HMP Millsike, is a Category C resettlement prison for men in Full Sutton near York, England, opened in 2025 with about 1,500 places.
HM Prison Pentonville
HM Prison Pentonville, London N7, is a category B men's reception prison opened in 1842 as the 'Model Prison' designed by Joshua Jebb; its separate system, radial wings, heating/ventilation and later mental-health crisis shaped Victorian prison architecture worldwide.
HM Prison Wakefield
HM Prison Wakefield, known as Wakefield Prison and nicknamed "Monster Mansion", is a high security men's prison in West Yorkshire, England, holding category A and B prisoners serving long or life sentences.
HM Prison Wandsworth
HMP Wandsworth is a men's category B local prison in south west London, opened 1851 as the Surrey House of Correction, capacity about 1,371. Repeatedly criticized for overcrowding; given an Urgent Notification in May 2024.
HM Prison Wormwood Scrubs
HM Prison Wormwood Scrubs, "The Scrubs", a category B local prison for adult men on Du Cane Road, London; built 1874–1891 by Edmund du Cane as England's first telegraph-pole plan prison, with Grade II chapel and gatehouse.
HM Revenue and Customs
HM Revenue and Customs (HMRC) is the UK's non-ministerial tax, payments and customs authority, created by the Commissioners for Revenue and Customs Act 2005 from the Inland Revenue and Customs and Excise, collecting hundreds of billions in tax and administering Child Benefit.
HM Sge
HM Sge (HM Sagittae) is a symbiotic nova in the constellation Sagitta, about 3,400 light-years away, whose 1975 outburst brightened it 250-fold and never faded.
HM Treasury
HM Treasury, formally His Majesty's Treasury, is the United Kingdom's finance ministry, responsible for public spending, tax policy, and overseeing more than £1.2 trillion in 2024/25.
HM-14
HM-14, formally Helicopter Mine Countermeasures Squadron 14 and nicknamed the Vanguard, was a United States Navy squadron at Norfolk that towed minesweeping gear from heavy helicopters, 1978 to 2023.
HM-15
HM-15, Helicopter Mine Countermeasures Squadron 15, is a US Navy helicopter squadron nicknamed the Blackhawks that flies the MH-53E Sea Dragon on airborne mine countermeasures missions.
HM3™ trial
MOMENTUM 3 (HM3 trial, NCT02224755): randomized trial comparing the HeartMate 3 magnetically levitated LVAD with HeartMate II in advanced heart failure; showed superior 2- and 5-year event-free survival and supported FDA approval.
HMAC
HMAC (hash-based message authentication code) is a message authentication mechanism that combines a cryptographic hash function with a shared secret key, specified in RFC 2104 in 1997.
HMAS Canberra (L02)
HMAS Canberra (L02) is the lead ship of the Royal Australian Navy's two Canberra-class landing helicopter dock amphibious assault ships, commissioned in 2014, flagship since 2015, based on Navantia's Juan Carlos I, and a veteran of Fiji, Tonga and Vanuatu relief operations.
HMAS Melbourne (R21)
HMAS Melbourne (R21) was a Majestic-class light aircraft carrier of the Royal Australian Navy and its flagship from 1955 until 1982, ramming and sinking two destroyers.
HMAS Sydney (D48)
HMAS Sydney (D48), also Sydney (II), was a modified Leander class RAN light cruiser (1935-1941), famous for sinking the Italian cruiser Bartolomeo Colleoni at Cape Spada, lost with all 645 hands on 19 November 1941 battling the German raider Kormoran off Western Australia.
HMD Barbie Phone
The HMD Barbie Phone is a pink flip feature phone developed by HMD with Mattel and launched in 2024, offering calls, texts, and Barbie-themed software without social media apps.
HMD Global
HMD Global Oy, branded as Human Mobile Devices, is a Finnish mobile phone company founded in 2016, headquartered in Espoo, that makes Nokia-branded phones under license.
HMG box-containing protein 1
HMG box-containing protein 1 (HBP1) is a human 514-aa HMG box transcription factor and cell cycle inhibitor on chromosome 7q31, a putative tumor suppressor downregulated in many cancers but overexpressed in nasopharyngeal carcinoma.
HMG-CoA reductase
HMG-CoA reductase is the membrane-bound enzyme that converts HMG-CoA to mevalonate, the rate-limiting step of the mevalonate pathway feeding cholesterol synthesis, making it the primary target of statin drugs.
HMGA1
HMGA1 (high mobility group AT-hook 1, HMG-I/Y), human gene at 6p21.31 encoding an 11-kDa intrinsically disordered chromatin protein with three AT-hooks that binds AT-rich DNA minor grooves, regulates transcription, and is overexpressed in aggressive cancers.
HMGA2
HMGA2 (high mobility group AT-hook 2, formerly HMGI-C/HMGIC) is a chromosome 12q14.3 gene encoding a small architectural chromatin protein, highly expressed in embryos and re-expressed in most cancers, where overexpression marks poor prognosis.
HMGB1
HMGB1 (high mobility group box 1, HMG1, amphoterin) is a 215-aa non-histone chromatin protein and DAMP; redox state (Cys23/45/106) sets chemotactic, cytokine, or inert function.
HMGB2
HMGB2 (high mobility group box 2, HMG2; Gene ID 3148) is a human non-histone chromosomal protein with two HMG-box DNA-binding domains that bends DNA, regulates chromatin architecture, senescence, fertility, and is overexpressed in many cancers.
HMGCR/SNAP/NPC1-like, sterol-sensing domain
HMGCR/SNAP/NPC1-like sterol-sensing domain (InterPro IPR053958): a conserved five-transmembrane-helix domain in SCAP, HMGCR, NPC1, NPC1L1, Patched, Dispatched, 7-DHCR, and TRC8 that mediates sterol-regulated Insig binding and cholesterol homeostasis.
HMH (drilling equipment company)
HMH is a Houston-based manufacturer of drilling equipment such as top drives and pressure control systems, formed in 2021 by merging Baker Hughes' drilling business with MHWirth.
HMHS Britannic
HMHS Britannic was the third and last of White Star Line's Olympic-class liners, serving as a British hospital ship before sinking in the Aegean Sea in 1916.