All articles starting with H
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Hedgehog
Hedgehog: spiny nocturnal mammal of subfamily Erinaceinae (family Erinaceidae) of Africa and Eurasia; rolls into a ball of modified-hair spines, eats invertebrates, resists snake venom; European hedgehog declining, Near Threatened since 2024.
Hedgehog (weapon)
Hedgehog, or Hedgehog mortar, was a British ahead-throwing anti-submarine weapon of World War II, adopted in 1942, firing 24 contact-fuzed projectiles ahead of an escort ship.
Hedgehog protein
Hedgehog (Hh) proteins are a family of secreted signaling molecules, or morphogens, that control cell growth and patterning during embryonic development; vertebrates carry three, Sonic, Indian, and Desert hedgehog.
Hedgehog signaling pathway
Hedgehog signaling pathway: conserved developmental pathway (Hh, Patched, Smoothened, Ci/Gli); vertebrate ligands Shh, Ihh, Dhh; cilium-dependent in vertebrates; dysregulation causes birth defects and basal cell carcinoma.
Hedgehog's dilemma
Hedgehog's dilemma, or porcupine dilemma, is Schopenhauer's parable of freezing hedgehogs balancing warmth against quills, used by Freud and as a metaphor for the challenges of human intimacy; distinct from Berlin's hedgehog-and-fox metaphor.
Hedi Habbouba
Hedi Habbouba (الهادي حبوبة), born 1949, is a Tunisian mezwed singer and composer nicknamed "le roi du mezoued", with more than 300 songs recorded since the 1960s.
Hedi Mattoussi
Hedi Mattoussi is a materials and nanoscience chemist known for quantum dot bioconjugates, now Distinguished Research Professor at Florida State University after twelve years at the Naval Research Laboratory.
Hedi Slimane
Hedi Slimane (born 1968, Paris) is a French designer and photographer who led Dior Homme (2000-2007), Saint Laurent (2012-2016), and Celine (2018-2024), creating the skinny rock silhouette and growing Celine to about €2.6 billion in sales.
Hedin (lunar crater)
Hedin is a 157.38 km impact crater on the Moon's western near side near the equator, centered at 2.87°, -76.52°, named for explorer Sven Hedin, with satellite craters Hedin A and K and a young ray crater in its wall.
Hedjetnebu
Hedjetnebu was a princess of Egypt's Fifth Dynasty, a daughter of King Djedkare Isesi, known from her mastaba burial in the royal cemetery at Abusir.
Hedju-Hor
Hedju-Hor, also read Hedjw-Hor, is a putative Predynastic ruler of Lower Egypt known only from serekhs incised on pottery jars found in the eastern Nile Delta.
Hedley (band)
Hedley was a Canadian pop rock band formed in 2003 in Abbotsford, British Columbia, fronted by Canadian Idol finalist Jacob Hoggard with Tommy Mac, Dave Rosin, and Chris Crippin; seven albums, Juno-winning Storms, 2018 hiatus after misconduct reports.
Hedley Byrne & Co Ltd v Heller & Partners Ltd
Hedley Byrne & Co Ltd v Heller & Partners Ltd [1964] AC 465, House of Lords 1963 negligent misstatement case: established duty of care for pure economic loss from careless advice, defeated by Heller's 'without responsibility' disclaimer; foundation of professional negligence law, later shaped by Caparo and Henderson v Merrett.
Hednesford
Hednesford, Staffordshire: market town and gateway to Cannock Chase, first recorded 1153 as Hedenedford; coal mining town from the 1850s, WWI training camps, RAF Hednesford, and a Neighbourhood Plan adopted in 2018.
Hedo Türkoğlu
Hedo Türkoğlu (Hidayet Türkoğlu, born 1979) is a Turkish former basketball player, first Turkish-born NBA player, 2008 Most Improved Player, 2009 Orlando Magic Finals run, now Turkish Basketball Federation president.
Hedong Army
The Hedong Army (河东军) was the provincial army of the Hedong military governorship, seated at Taiyuan, that shaped the late Tang to early Song transition.
Hedong Liu clan
The Hedong Liu clan (河东柳氏) was a great aristocratic lineage of the Hedong region, active through the Tang dynasty and best known for the writer and statesman Liu Zongyuan.
Hedong Military Commission
The Hedong Military Commission (河东镇) was a Tang-dynasty military command headquartered at Taiyuan in northern Shanxi, charged with defending the northern frontier and later held by Li Keyong in the dynasty's final decades.
Hedonic price index
A hedonic price index is a price index built from a regression of product prices on their measurable characteristics, separating quality change from pure price change when products improve.
Hedonic price model
The hedonic price model is an econometric method that regresses the prices of heterogeneous goods like housing on their characteristics, unbundling price into implicit attribute values.
Hedonic pricing
Hedonic pricing is an econometric method that estimates the implicit prices of product attributes, most often houses, valuing unpriced characteristics like clean air and schools.
Hedonic regression
Hedonic regression is an econometric method that regresses the price of a good on its attributes, such as a house's size, age, and location, to estimate each attribute's implicit price.
Hedonic treadmill
The hedonic treadmill, also called hedonic adaptation, is the theory that people's happiness returns to a baseline after changes in circumstances, coined in 1971 by Brickman and Campbell.
Hedonism
Hedonism (Greek 'hedone', pleasure) is the family of philosophical views that pleasure is the primary good: psychological hedonism about motivation, ethical/prudential hedonism about value and well-being, distinct from folk indulgence and criticized via the paradox of hedonism and Nozick's experience machine.
Hedosophia
Hedosophia is a London-based technology investment firm co-founded by Ian Osborne in 2012 that invests in technology companies and sponsors SPACs, including Hedosophia European Growth, which listed on Euronext Amsterdam in 2021.
Hedvig Hricak
Hedvig Hricak (Hričak), born 1946 in Zagreb, is a Croatian-born American radiologist who chaired Radiology at Memorial Sloan Kettering Cancer Center from 1999 to 2023.
Hedwig and the Angry Inch (film)
Hedwig and the Angry Inch (2001) is John Cameron Mitchell's film adaptation of his and Stephen Trask's off-Broadway rock musical, about an East German singer with a botched sex change; it won Sundance Audience and Directing Awards.
Hedwig and the Angry Inch (musical)
Hedwig and the Angry Inch is a 1998 Off-Broadway rock musical by John Cameron Mitchell and Stephen Trask about an East German singer. Known for its 2001 film, the 2014 four-Tony Broadway revival, and ongoing international productions.
Hedwig of Silesia
Hedwig of Silesia (Jadwiga Śląska, c. 1174–1243), duchess by marriage to Henry I, founder of Trebnitz convent, canonized 1267, patroness of Silesia; distinct from St. Hedwig of Anjou.
Hedwig Potthast
Hedwig Potthast (born 1912) was Heinrich Himmler's private secretary and, from Christmas 1938, his secret mistress, mother of Helge (1942) and Nanette Dorothea (1944); her identity stayed hidden until her grandson's 2024 discovery.