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14205
https://en.wikipedia.org/wiki/Herbert%20A.%20Simon
Herbert A. Simon
Herbert Alexander Simon (June 15, 1916 – February 9, 2001) was an American political scientist, with a Ph.D. in political science, whose work also influenced the fields of computer science, economics, and cognitive psychology. His primary research interest was decision-making within organizations and he is best known f...
14207
https://en.wikipedia.org/wiki/Hematite
Hematite
Hematite (), also spelled as haematite, is a common iron oxide compound with the formula, Fe2O3 and is widely found in rocks and soils. Hematite crystals belong to the rhombohedral lattice system which is designated the alpha polymorph of . It has the same crystal structure as corundum () and ilmenite (). With this it ...
14208
https://en.wikipedia.org/wiki/Holocene%20extinction
Holocene extinction
The Holocene extinction, otherwise referred to as the sixth mass extinction or Anthropocene extinction, is an ongoing extinction event of species during the present Holocene epoch (with the more recent time sometimes called Anthropocene) as a result of human activity. The included extinctions span numerous families of ...
14210
https://en.wikipedia.org/wiki/Harrison%20Narcotics%20Tax%20Act
Harrison Narcotics Tax Act
The Harrison Narcotics Tax Act (Ch. 1, ) was a United States federal law that regulated and taxed the production, importation, and distribution of opiates and coca products. The act was proposed by Representative Francis Burton Harrison of New York and was approved on December 17, 1914. "An Act To provide for the regi...
14215
https://en.wikipedia.org/wiki/Horse%20tack
Horse tack
Tack is equipment or accessories equipped on horses and other equines in the course of their use as domesticated animals. Saddles, stirrups, bridles, halters, reins, bits, harnesses, martingales, and breastplates are all forms of horse tack. Equipping a horse is often referred to as tacking up. A room to store such equ...
14216
https://en.wikipedia.org/wiki/Hausa%20language
Hausa language
Hausa (; /; Ajami: ) is a Chadic language spoken by the Hausa people in Chad, and mainly within the northern half of Nigeria, Ghana, Cameroon, and the southern half of Niger, with significant minorities in Sudan, Benin, and Ivory Coast. Hausa is a member of the Afroasiatic language family and is the most widely spoken...
14220
https://en.wikipedia.org/wiki/History%20of%20mathematics
History of mathematics
The history of mathematics deals with the origin of discoveries in mathematics and the mathematical methods and notation of the past. Before the modern age and the worldwide spread of knowledge, written examples of new mathematical developments have come to light only in a few locales. From 3000 BC the Mesopotamian sta...
14223
https://en.wikipedia.org/wiki/HSK
HSK
HSK may refer to: H. S. Krishnaswamy Iyengar Hanyu Shuiping Kaoshi or Chinese Proficiency Test Hassocks railway station, in England Helsingfors Segelklubb, a Finnish sailing club Helsingfors Skridskoklubb, a Finnish figure skating club Homoserine kinase, an enzyme Horrendous Space Kablooie, a Calvin and Hobbes ...
14225
https://en.wikipedia.org/wiki/Hydrogen%20atom
Hydrogen atom
A hydrogen atom is an atom of the chemical element hydrogen. The electrically neutral atom contains a single positively charged proton and a single negatively charged electron bound to the nucleus by the Coulomb force. Atomic hydrogen constitutes about 75% of the baryonic mass of the universe. In everyday life on Eart...
14227
https://en.wikipedia.org/wiki/Elagabalus
Elagabalus
Elagabalus ( 204 – 11/12 March 222) ( ), also called Heliogabalus and officially known as Antoninus, was Roman emperor from 218 to 222, while he was still a teenager. His short reign was conspicuous for sex scandals and religious controversy. A close relative to the Severan dynasty, he came from a prominent Arab family...
14229
https://en.wikipedia.org/wiki/Homeopathy
Homeopathy
Homeopathy or homoeopathy is a pseudoscientific system of alternative medicine. Its practitioners, called homeopaths, believe that a substance that causes symptoms of a disease in healthy people can cure similar symptoms in sick people; this doctrine is called similia similibus curentur, or "like cures like". All relev...
14231
https://en.wikipedia.org/wiki/Hairpin
Hairpin
A hairpin or hair pin is a long device used to hold a person's hair in place. It may be used simply to secure long hair out of the way for convenience or as part of an elaborate hairstyle or coiffure. The earliest evidence for dressing the hair may be seen in carved "Venus figurines" such as the Venus of Brassempouy a...
14233
https://en.wikipedia.org/wiki/Hate%20speech
Hate speech
Hate speech is defined by the Cambridge Dictionary as "public speech that expresses hate or encourages violence towards a person or group based on something such as race, religion, sex, or sexual orientation". Hate speech is "usually thought to include communications of animosity or disparagement of an individual or a ...
14236
https://en.wikipedia.org/wiki/Henrik%20Ibsen
Henrik Ibsen
Henrik Johan Ibsen (; ; 20 March 1828 – 23 May 1906) was a Norwegian playwright and theatre director. As one of the founders of modernism in theatre, Ibsen is often referred to as "the father of realism" and one of the most influential playwrights of his time. His major works include Brand, Peer Gynt, An Enemy of the P...
14240
https://en.wikipedia.org/wiki/Hawaiian%20language
Hawaiian language
Hawaiian (, ) is a Polynesian language of the Austronesian language family that takes its name from Hawaii, the largest island in the tropical North Pacific archipelago where it developed. Hawaiian, along with English, is an official language of the US state of Hawaii. King Kamehameha III established the first Hawaiian...
14245
https://en.wikipedia.org/wiki/Second%20Polish%20Republic
Second Polish Republic
The Second Polish Republic, at the time officially known as the Republic of Poland, was a country in Central and Eastern Europe that existed between 1918 and 1939. The state was established in 1918, in the aftermath of World War I. The Second Republic ceased to exist in 1939, when Poland was invaded by Nazi Germany, th...
14246
https://en.wikipedia.org/wiki/Hedwig
Hedwig
Hedwig may refer to: People and fictional characters Hedwig (name), a list of people and fictional characters with the given name Grzegorz Hedwig (born 1988), Polish slalom canoeist Johann Hedwig, (1730–1799), German botanist Romanus Adolf Hedwig (1772–1806), German botanist, son of Johann Hedwig Other uses Hedw...
14251
https://en.wikipedia.org/wiki/HMS%20Resolution
HMS Resolution
Several ships of the Royal Navy have borne the name HMS Resolution. However, the first English warship to bear the name Resolution was actually the first rate Prince Royal (built in 1610 and rebuilt in 1641), which was renamed Resolution in 1650 following the inauguration of the Commonwealth, and continued to bear that...
14254
https://en.wikipedia.org/wiki/Helen%20Keller
Helen Keller
Helen Adams Keller (June 27, 1880 – June 1, 1968) was an American author, disability rights advocate, political activist and lecturer. Born in West Tuscumbia, Alabama, she lost her sight and hearing after a bout of illness at the age of nineteen months. She then communicated primarily using home signs until the age of ...
14257
https://en.wikipedia.org/wiki/Haddocks%27%20Eyes
Haddocks' Eyes
"Haddocks' Eyes" is a term for the name of a song sung by The White Knight from Lewis Carroll's 1871 novel Through the Looking-Glass, chapter VIII. "Haddocks' Eyes" is an example used to elaborate on the symbolic status of the concept of "name": a name as identification marker may be assigned to anything, including a...
14260
https://en.wikipedia.org/wiki/Hoosier
Hoosier
Hoosier is the official demonym for the people of the U.S. state of Indiana. The origin of the term remains a matter of debate, but "Hoosier" was in general use by the 1840s, having been popularized by Richmond resident John Finley's 1833 poem "The Hoosier's Nest". Anyone born in Indiana or a resident at the time is c...
14263
https://en.wikipedia.org/wiki/Horner%27s%20method
Horner's method
In mathematics and computer science, Horner's method (or Horner's scheme) is an algorithm for polynomial evaluation. Although named after William George Horner, this method is much older, as it has been attributed to Joseph-Louis Lagrange by Horner himself, and can be traced back many hundreds of years to Chinese and P...
14268
https://en.wikipedia.org/wiki/Hapworth%2016%2C%201924
Hapworth 16, 1924
"Hapworth 16, 1924" is a short story by the American author J. D. Salinger, the last original work published in his lifetime. It appeared in the June 19, 1965, edition of The New Yorker, infamously taking up almost the entire magazine. It is the "youngest" of Salinger's Glass family stories, in the sense that the narra...
14269
https://en.wikipedia.org/wiki/Hypnotic
Hypnotic
Hypnotic (from Greek Hypnos, sleep), or soporific drugs, commonly known as sleeping pills, are a class of psychoactive drugs whose primary function is to induce sleep (or surgical anesthesia) and to treat insomnia (sleeplessness). This group of drugs is related to sedatives. Whereas the term sedative describes drugs ...
14273
https://en.wikipedia.org/wiki/HMS%20Dunraven
HMS Dunraven
HMS Dunraven was a Q-Ship of the Royal Navy during World War I. On 8 August 1917, 130 miles southwest of Ushant in the Bay of Biscay, disguised as the collier Boverton and commanded by Gordon Campbell, VC, Dunraven spotted , commanded by Oberleutnant zur See Reinhold Saltzwedel. Saltzwedel believed the disguised ship...
14275
https://en.wikipedia.org/wiki/Hacker%20ethic
Hacker ethic
The hacker ethic is a philosophy and set of moral values that is common within hacker culture. Practitioners of the hacker ethic believe that sharing information and data with others is an ethical imperative. The hacker ethic is related to the concept of freedom of information, as well as the political theories of Anti...
14276
https://en.wikipedia.org/wiki/Hotel
Hotel
A hotel is an establishment that provides paid lodging on a short-term basis. Facilities provided inside a hotel room may range from a modest-quality mattress in a small room to large suites with bigger, higher-quality beds, a dresser, a refrigerator and other kitchen facilities, upholstered chairs, a flat screen telev...
14277
https://en.wikipedia.org/wiki/Hebrew%20mythology
Hebrew mythology
Hebrew mythology may refer to: Ancient Canaanite religion Jewish mythology See also Middle Eastern mythology (disambiguation) Religion and mythology Ancient Semitic religion Panbabylonism
14279
https://en.wikipedia.org/wiki/Hugh%20Hefner
Hugh Hefner
Hugh Marston Hefner (April 9, 1926 – September 27, 2017) was an American magazine publisher. He was the founder and editor-in-chief of Playboy magazine, a publication with revealing photographs and articles which provoked charges of obscenity. The first issue of Playboy was published in 1953, featuring Marilyn Monroe i...
14280
https://en.wikipedia.org/wiki/Hafizullah%20Amin
Hafizullah Amin
Hafizullah Amin (Pashto/; ; 1 August 192927 December 1979) was an Afghan communist revolutionary, politician and teacher. He organized the Saur Revolution of 1978 and co-founded the Democratic Republic of Afghanistan (DRA), ruling Afghanistan as General Secretary of the People's Democratic Party from September 1979 unt...
14282
https://en.wikipedia.org/wiki/Hubris
Hubris
Hubris (; ), or less frequently hybris (), describes a personality quality of extreme or excessive pride or dangerous overconfidence, often in combination with (or synonymous with) arrogance. The term arrogance comes from the Latin , meaning "to feel that one has a right to demand certain attitudes and behaviors from o...
14283
https://en.wikipedia.org/wiki/Heavy%20water
Heavy water
Heavy water (deuterium oxide, , ) is a form of water that contains only deuterium ( or D, also known as heavy hydrogen) rather than the common hydrogen-1 isotope ( or H, also called protium) that makes up most of the hydrogen in normal water. The presence of the heavier hydrogen isotope gives the water different nuclea...
14285
https://en.wikipedia.org/wiki/History%20of%20science%20and%20technology
History of science and technology
The history of science and technology (HST) is a field of history that examines how the understanding of the natural world (science) and the ability to manipulate it (technology) have changed over the millennia and centuries. This academic discipline also studies the cultural, economic, and political impacts of scient...
14286
https://en.wikipedia.org/wiki/Holographic%20principle
Holographic principle
The holographic principle is a tenet of string theories and a supposed property of quantum gravity that states that the description of a volume of space can be thought of as encoded on a lower-dimensional boundary to the region—such as a light-like boundary like a gravitational horizon. First proposed by Gerard 't Hoof...
14288
https://en.wikipedia.org/wiki/Hamilton%2C%20Ontario
Hamilton, Ontario
Hamilton is a port city in the Canadian province of Ontario. Hamilton has a population of 536,917, and its census metropolitan area, which includes Burlington and Grimsby, has a population of 767,000. The city is southwest of Toronto in the Greater Toronto and Hamilton Area (GTHA). Prior to European settlement, the l...
14291
https://en.wikipedia.org/wiki/Hussites
Hussites
The Hussites ( or Kališníci; "Chalice People") were a Czech Proto-Protestant Christian movement that followed the teachings of reformer Jan Hus, who became the best known representative of the Bohemian Reformation. The Hussite movement began in the Kingdom of Bohemia and quickly spread throughout the remaining Lands ...
14292
https://en.wikipedia.org/wiki/HMS%20Ark%20Royal
HMS Ark Royal
Five ships of the Royal Navy have borne the name HMS Ark Royal: , the flagship of the English fleet during the Spanish Armada campaign of 1588 , planned as freighter, built as seaplane carrier during the First World War, renamed Pegasus in 1934 , British aircraft carrier launched in 1937 that participated in the Se...
14293
https://en.wikipedia.org/wiki/Herman%20of%20Alaska
Herman of Alaska
Herman of Alaska (; 1750s – November 15, 1836) was a Russian Orthodox monk and missionary to Alaska, which was then part of Russian America. His gentle approach and ascetic life earned him the love and respect of both the native Alaskans and the Russian colonists. He is considered by many Orthodox Christians as the pa...
14294
https://en.wikipedia.org/wiki/Hausdorff%20dimension
Hausdorff dimension
In mathematics, Hausdorff dimension is a measure of roughness, or more specifically, fractal dimension, that was first introduced in 1918 by mathematician Felix Hausdorff. For instance, the Hausdorff dimension of a single point is zero, of a line segment is 1, of a square is 2, and of a cube is 3. That is, for sets of ...
14296
https://en.wikipedia.org/wiki/Heckler%20%26%20Koch
Heckler & Koch
Heckler & Koch GmbH (HK; ) is a German defence manufacturing company that manufactures handguns, rifles, submachine guns, and grenade launchers. The company is located in Oberndorf am Neckar in the German state of Baden-Württemberg, and also has subsidiaries in the United Kingdom, France and the United States. The Hec...
14297
https://en.wikipedia.org/wiki/Heckler%20%26%20Koch%20MP5
Heckler & Koch MP5
The MP5 () is a 9x19mm Parabellum submachine gun, developed in the 1960s by a team of engineers from the German small arms manufacturer Heckler & Koch GmbH (H&K) of Oberndorf am Neckar. There are over 100 variants and clones of the MP5, including some semi-automatic versions. The MP5 is one of the most widely used sub...
14298
https://en.wikipedia.org/wiki/Henry%20Middleton
Henry Middleton
Henry Middleton (1717 – June 13, 1784) was a planter, public official, and a Founding Father of the United States from South Carolina. A member of the colonial legislature, during the American Revolution he attended the First Continental Congress and served as that body's president for four days in 1774 after the passa...
14299
https://en.wikipedia.org/wiki/Ham
Ham
Ham is pork from a leg cut that has been preserved by wet or dry curing, with or without smoking. As a processed meat, the term "ham" includes both whole cuts of meat and ones that have been mechanically formed. Ham is made around the world, including a number of regional specialties, such as Westphalian ham and some ...
14300
https://en.wikipedia.org/wiki/Henry%20Laurens
Henry Laurens
Henry Laurens (December 8, 1792) was an American Founding Father, merchant, slave trader, and rice planter from South Carolina who became a political leader during the Revolutionary War. A delegate to the Second Continental Congress, Laurens succeeded John Hancock as president of the Continental Congress. He was a sign...
14301
https://en.wikipedia.org/wiki/British%20Aerospace%20HOTOL
British Aerospace HOTOL
HOTOL, for Horizontal Take-Off and Landing, was a 1980s British design for a single-stage-to-orbit (SSTO) spaceplane that was to be powered by an airbreathing jet engine. Development was being conducted by a consortium led by Rolls-Royce and British Aerospace (BAe). Designed as a single-stage-to-orbit (SSTO) reusable ...
14306
https://en.wikipedia.org/wiki/Hammerhead%20shark
Hammerhead shark
The hammerhead sharks are a group of sharks that form the family Sphyrnidae, so named for the unusual and distinctive structure of their heads, which are flattened and laterally extended into a "hammer" shape called a cephalofoil. Most hammerhead species are placed in the genus Sphyrna, while the winghead shark is plac...
14307
https://en.wikipedia.org/wiki/Hall%20effect
Hall effect
The Hall effect is the production of a voltage difference (the Hall voltage) across an electrical conductor that is transverse to an electric current in the conductor and to an applied magnetic field perpendicular to the current. It was discovered by Edwin Hall in 1879. A Hall effect can also occur across a void or ho...
14308
https://en.wikipedia.org/wiki/Hoover%20Dam
Hoover Dam
Hoover Dam is a concrete arch-gravity dam in the Black Canyon of the Colorado River, on the border between the U.S. states of Nevada and Arizona. It was constructed between 1931 and 1936 during the Great Depression and was dedicated on September 30, 1935, by President Franklin D. Roosevelt. Its construction was the res...
14309
https://en.wikipedia.org/wiki/Holger%20Pedersen
Holger Pedersen
Holger Pedersen may refer to: Holger Pedersen (linguist) (1867–1953), Danish linguist Holger Pedersen (astronomer) (born 1946), Danish astronomer, at the European Southern Observatory Holger Petersen (born 1949), Canadian radio personality
14311
https://en.wikipedia.org/wiki/Adventures%20of%20Huckleberry%20Finn
Adventures of Huckleberry Finn
Adventures of Huckleberry Finn or as it is known in more recent editions, The Adventures of Huckleberry Finn, is a novel by American author Mark Twain, which was first published in the United Kingdom in December 1884 and in the United States in February 1885. Commonly named among the Great American Novels, the work is...
14312
https://en.wikipedia.org/wiki/Harpsichord
Harpsichord
A harpsichord (, , , , , ) is a musical instrument played by means of a keyboard. This activates a row of levers that turn a trigger mechanism that plucks one or more strings with a small plectrum made from quill or plastic. The strings are under tension on a soundboard, which is mounted in a wooden case; the soundboar...
14313
https://en.wikipedia.org/wiki/Hair
Hair
Hair is a protein filament that grows from follicles found in the dermis. Hair is one of the defining characteristics of mammals. The human body, apart from areas of glabrous skin, is covered in follicles which produce thick terminal and fine vellus hair. Most common interest in hair is focused on hair growth, hair typ...
14314
https://en.wikipedia.org/wiki/Hawker%20Siddeley%20Harrier
Hawker Siddeley Harrier
The Hawker Siddeley Harrier is a British military aircraft. It was the first of the Harrier Jump Jet series of aircraft and was developed in the 1960s as the first operational ground attack and reconnaissance aircraft with vertical/short takeoff and landing (V/STOL) capabilities and the only truly successful V/STOL des...
14315
https://en.wikipedia.org/wiki/Hawker%20Harrier
Hawker Harrier
The Hawker Harrier was an experimental biplane torpedo bomber aircraft built by Hawker Aircraft to a specification issued in the 1920s for the RAF. Development In 1925, the British Air Ministry laid down specifications for a high altitude bomber to replace the Hawker Horsley and for a coastal torpedo bomber (Specific...
14317
https://en.wikipedia.org/wiki/Herg%C3%A9
Hergé
Georges Prosper Remi (; 22 May 1907 – 3 March 1983), known by the pen name Hergé (; ), from the French pronunciation of his reversed initials RG, was a Belgian cartoonist. He is best known for creating The Adventures of Tintin, the series of comic albums which are considered one of the most popular European comics of t...
14318
https://en.wikipedia.org/wiki/Horned%20God
Horned God
The Horned God is one of the two primary deities found in Wicca and some related forms of Neopaganism. The term Horned God itself predates Wicca, and is an early 20th-century syncretic term for a horned or antlered anthropomorphic god partly based on historical horned deities. The Horned God represents the male part ...
14320
https://en.wikipedia.org/wiki/Haggis
Haggis
Haggis () is a savoury pudding containing sheep's pluck (heart, liver, and lungs), minced with onion, oatmeal, suet, spices, and salt, mixed with stock, and cooked while traditionally encased in the animal's stomach though now an artificial casing is often used instead. According to the 2001 English edition of the Laro...
14321
https://en.wikipedia.org/wiki/Hank%20Aaron
Hank Aaron
Henry Louis Aaron (February 5, 1934 – January 22, 2021), nicknamed "Hammer" or "Hammerin' Hank", was an American professional baseball right fielder who played 23 seasons in Major League Baseball (MLB), from 1954 through 1976. Widely regarded as one of the greatest baseball players in history, he spent 21 seasons with ...
14322
https://en.wikipedia.org/wiki/Holy%20Grail
Holy Grail
The Holy Grail (, , , ) is a treasure that serves as an important motif in Arthurian literature. Different traditions describe it as a cup, dish or stone with miraculous powers that provides eternal youth or sustenance in infinite abundance, often in the custody of the Fisher King. The term "holy grail" is often used t...
14323
https://en.wikipedia.org/wiki/Hunt%20the%20Wumpus
Hunt the Wumpus
Hunt the Wumpus is a text-based adventure game developed by Gregory Yob in 1973. In the game, the player moves through a series of connected caves, arranged as the vertices of a dodecahedron, as they hunt a monster named the Wumpus. The turn-based game has the player trying to avoid fatal bottomless pits and "super bat...
14324
https://en.wikipedia.org/wiki/Hash
Hash
Hash, hashes, hash mark, or hashing may refer to: Substances Hash (food), a coarse mixture of ingredients Hash, a nickname for hashish, a cannabis product Hash mark Hash mark (sports), a marking on hockey rinks and gridiron football fields Hatch mark, a form of mathematical notation Number sign (#), also known as...
14325
https://en.wikipedia.org/wiki/Hearst%20Communications
Hearst Communications
Hearst Communications, Inc., often referred to simply as Hearst, is an American multinational mass media and business information conglomerate based in the Hearst Tower in Midtown Manhattan, New York City. Hearst owns newspapers, magazines, television channels, and television stations, including the San Francisco Chro...
14326
https://en.wikipedia.org/wiki/HMS%20Hercules
HMS Hercules
Five ships of the Royal Navy have borne the name HMS Hercules, or HMS Hercule, after the Greek and Roman hero Hercules. Another was launched, but never served in the Navy: was a 74-gun third rate launched in 1759 and sold in 1784. HMS Hercule was a 74-gun third rate captured by in 1798 and broken up in 1810. was ...
14327
https://en.wikipedia.org/wiki/HMAS%20Sydney
HMAS Sydney
Five ships of the Royal Australian Navy (RAN) have been named HMAS Sydney, after Sydney, the capital city of New South Wales. , a Town-class light cruiser launched in 1912, decommissioned in 1928, and broken up for scrap , a Leander-class light cruiser launched in 1934, and sunk following a battle with the German auxi...
14328
https://en.wikipedia.org/wiki/Hunter%20S.%20Thompson
Hunter S. Thompson
Hunter Stockton Thompson (July 18, 1937 – February 20, 2005) was an American journalist and author who founded the gonzo journalism movement. He rose to prominence with the publication of Hell's Angels (1967), a book for which he spent a year living and riding with the Hells Angels motorcycle gang to write a first-hand...
14329
https://en.wikipedia.org/wiki/Historicism
Historicism
Historicism is an approach to explaining the existence of phenomena, especially social and cultural practices (including ideas and beliefs), by studying their history, that is, by studying the process by which they came about. The term is widely used in philosophy, anthropology, and sociology. This historical approach...
14330
https://en.wikipedia.org/wiki/Hunter%20College
Hunter College
Hunter College is one of the constituent colleges of the City University of New York, a public university in New York City. The college offers studies in more than one hundred undergraduate and postgraduate fields across five schools. It also administers Hunter College High School and Hunter College Elementary School. ...
14331
https://en.wikipedia.org/wiki/Harry%20Shearer
Harry Shearer
Harry Julius Shearer (born December 23, 1943) is an American actor, voice actor, comedian, writer, musician, radio host, director and producer. Born in Los Angeles, California, Shearer began his career as a child actor. From 1969 to 1976, Shearer was a member of The Credibility Gap, a radio comedy group. Following the ...
14336
https://en.wikipedia.org/wiki/High%20fantasy
High fantasy
High fantasy, or epic fantasy, is a subgenre of fantasy defined by the epic nature of its setting or by the epic stature of its characters, themes or plot. The term "high fantasy" was coined by Lloyd Alexander in a 1971 essay, "High Fantasy and Heroic Romance", which was originally given at the New England Round Table ...
14337
https://en.wikipedia.org/wiki/Human%20sexual%20activity
Human sexual activity
Human sexual activity, human sexual practice or human sexual behaviour is the manner in which humans experience and express their sexuality. People engage in a variety of sexual acts, ranging from activities done alone (e.g., masturbation) to acts with another person (e.g., sexual intercourse, non-penetrative sex, oral...
14340
https://en.wikipedia.org/wiki/Hydraulic%20ram
Hydraulic ram
A hydraulic ram, or hydram, is a cyclic water pump powered by hydropower. It takes in water at one "hydraulic head" (pressure) and flow rate, and outputs water at a higher hydraulic head and lower flow rate. The device uses the water hammer effect to develop pressure that allows a portion of the input water that power...
14347
https://en.wikipedia.org/wiki/Homininae
Homininae
{{Automatic taxobox | fossil_range = | image = Secretary_Leonard_Carmichael.jpg | image_caption = Three hominines: a human holding a young gorilla and a young chimpanzee. | taxon = Homininae | authority = Gray, 1825 | type_species = Homo sapiens | type_species_authority = Linnaeus, 1758 | subdivision_ranks = Tribe | s...
14348
https://en.wikipedia.org/wiki/Homo%20habilis
Homo habilis
Homo habilis ("handy man") is an extinct species of archaic human from the Early Pleistocene of East and South Africa about 2.3 to 1.65 million years ago (mya). Upon species description in 1964, H. habilis was highly contested, with many researchers recommending it be synonymised with Australopithecus africanus, the on...
14349
https://en.wikipedia.org/wiki/Harmonica
Harmonica
The harmonica, also known as a French harp or mouth organ, is a free reed wind instrument used worldwide in many musical genres, notably in blues, American folk music, classical music, jazz, country, and rock. The many types of harmonica include diatonic, chromatic, tremolo, octave, orchestral, and bass versions. A har...
14352
https://en.wikipedia.org/wiki/Hops
Hops
Hops are the flowers (also called seed cones or strobiles) of the hop plant Humulus lupulus, a member of the Cannabaceae family of flowering plants. They are used primarily as a bittering, flavouring, and stability agent in beer, to which, in addition to bitterness, they impart floral, fruity, or citrus flavours and a...
14355
https://en.wikipedia.org/wiki/Hack
Hack
Hack may refer to: Arts, entertainment, and media Games Hack (Unix video game), a 1984 roguelike video game .hack (video game series), a series of video games by the multimedia franchise .hack Music Hack (album), a 1990 album by Information Society Film Hack!, a 2007 film starring Danica McKellar Hacked (film)...
14356
https://en.wikipedia.org/wiki/Huey%2C%20Dewey%2C%20and%20Louie
Huey, Dewey, and Louie
Huey, Dewey, and Louie are triplet cartoon characters created by writer Ted Osborne and cartoonist Al Taliaferro, and are owned by The Walt Disney Company. Huey, Dewey, and Louie are the nephews of Donald Duck, sons of Della Duck, the grand-nephews of Scrooge McDuck, and the friends of Webby Vanderquack. Like their mat...
14358
https://en.wikipedia.org/wiki/Hammurabi
Hammurabi
Hammurabi () was the sixth king of the First Babylonian dynasty of the Amorite tribe, reigning from c. 1792 BC to c. 1750 BC (according to the Middle Chronology). He was preceded by his father, Sin-Muballit, who abdicated due to failing health. During his reign, he conquered Elam and the city-states of Larsa, Eshnunna,...
14359
https://en.wikipedia.org/wiki/Huygens%E2%80%93Fresnel%20principle
Huygens–Fresnel principle
The Huygens–Fresnel principle (named after Dutch physicist Christiaan Huygens and French physicist Augustin-Jean Fresnel) is a method of analysis applied to problems of wave propagation both in the far-field limit and in near-field diffraction and also reflection. It states that every point on a wavefront is itself the...
14361
https://en.wikipedia.org/wiki/Honey
Honey
Honey is a sweet, viscous food substance made by honey bees and some other bees. Bees produce honey from the sugary secretions of plants (floral nectar) or from secretions of other insects (such as honeydew), by regurgitation, enzymatic activity, and water evaporation. Honey bees store honey in wax structures called h...
14365
https://en.wikipedia.org/wiki/Hengist%20and%20Horsa
Hengist and Horsa
Hengist and Horsa are Germanic brothers said to have led the Angles, Saxons and Jutes in their invasion of Britain in the 5th century. Tradition lists Hengist as the first of the Jutish kings of Kent. Most modern scholarly consensus now regards Hengist and Horsa to be mythical figures, and much scholarship has emphasi...
14368
https://en.wikipedia.org/wiki/Hero%20System
Hero System
The Hero System is a generic role-playing game system that was developed from the superhero RPG Champions. After Champions fourth edition was released in 1989, a stripped-down version of its ruleset with no superhero or other genre elements was released as The Hero System Rulesbook in 1990. As a spinoff of Champions,...
14369
https://en.wikipedia.org/wiki/Humphry%20Davy
Humphry Davy
Sir Humphry Davy, 1st Baronet, (17 December 177829 May 1829) was an English chemist and inventor from Cornwall who invented the Davy lamp and a very early form of arc lamp. He is also remembered for isolating, by using electricity, a series of elements for the first time: potassium and sodium in 1807 and calcium, stro...
14372
https://en.wikipedia.org/wiki/Hecate
Hecate
Hecate or Hekate is a goddess in ancient Greek religion and mythology, most often shown holding a pair of torches, a key, snakes or accompanied by dogs and in later periods depicted in triple form. She is variously associated with crossroads, entrance-ways, night, light, magic, witchcraft, knowledge of herbs and poison...
14374
https://en.wikipedia.org/wiki/Haematopoiesis
Haematopoiesis
Haematopoiesis (, from Greek , 'blood' and 'to make'; also hematopoiesis in American English; sometimes also h(a)emopoiesis) is the formation of blood cellular components. All cellular blood components are derived from haematopoietic stem cells. In a healthy adult person, approximately – new blood cells are produced d...
14375
https://en.wikipedia.org/wiki/Hogmanay
Hogmanay
Hogmanay (; ) is the Scots word for the last day of the old year and is synonymous with the celebration of the New Year in the Scottish manner. It is normally followed by further celebration on the morning of New Year's Day (1 January) or in some cases, 2 January—a Scottish bank holiday. The origins of Hogmanay are u...
14376
https://en.wikipedia.org/wiki/Hamster
Hamster
Hamsters are rodents (order Rodentia) belonging to the subfamily Cricetinae, which contains 19 species classified in seven genera. They have become established as popular small pets. The best-known species of hamster is the golden or Syrian hamster (Mesocricetus auratus), which is the type most commonly kept as pets. O...
14378
https://en.wikipedia.org/wiki/History%20of%20Finland
History of Finland
The history of Finland begins around 9,000 BC during the end of the last glacial period. Stone Age cultures were Kunda, Comb Ceramic, Corded Ware, Kiukainen, and . The Finnish Bronze Age started in approximately 1,500 BC and the Iron Age started in 500 BC and lasted until 1,300 AD. Finnish Iron Age cultures can be sepa...
14379
https://en.wikipedia.org/wiki/Holy%20Spirit
Holy Spirit
In Judaism, the Holy Spirit, also known as the Holy Ghost, is the divine force, quality, and influence of God over the universe or over his creatures. In Nicene Christianity, the Holy Spirit is the third person of the Trinity. In Islam, the Holy Spirit acts as an agent of divine action or communication. In the Baha’i F...
14380
https://en.wikipedia.org/wiki/Helium-3
Helium-3
Helium-3 (3He see also helion) is a light, stable isotope of helium with two protons and one neutron (the most common isotope, helium-4, having two protons and two neutrons in contrast). Other than protium (ordinary hydrogen), helium-3 is the only stable isotope of any element with more protons than neutrons. Helium-3 ...
14381
https://en.wikipedia.org/wiki/Hamiltonian%20%28quantum%20mechanics%29
Hamiltonian (quantum mechanics)
In quantum mechanics, the Hamiltonian of a system is an operator corresponding to the total energy of that system, including both kinetic energy and potential energy. Its spectrum, the system's energy spectrum or its set of energy eigenvalues, is the set of possible outcomes obtainable from a measurement of the system'...
14382
https://en.wikipedia.org/wiki/Hi-hat
Hi-hat
A hi-hat (hihat, high-hat, etc.) is a combination of two cymbals and a pedal, all mounted on a metal stand. It is a part of the standard drum kit used by drummers in many styles of music including rock, pop, jazz, and blues. Hi-hats consist of a matching pair of small to medium-sized cymbals mounted on a stand, with th...
14384
https://en.wikipedia.org/wiki/HAL%209000
HAL 9000
HAL 9000 is a fictional artificial intelligence character and the main antagonist in Arthur C. Clarke's Space Odyssey series. First appearing in the 1968 film 2001: A Space Odyssey, HAL (Heuristically programmed ALgorithmic computer) is a sentient artificial general intelligence computer that controls the systems of t...
14385
https://en.wikipedia.org/wiki/Hydrolysis
Hydrolysis
Hydrolysis (; ) is any chemical reaction in which a molecule of water breaks one or more chemical bonds. The term is used broadly for substitution, elimination, and solvation reactions in which water is the nucleophile. Biological hydrolysis is the cleavage of biomolecules where a water molecule is consumed to effect ...
14386
https://en.wikipedia.org/wiki/Hydroxy%20group
Hydroxy group
A hydroxy or hydroxyl group is a functional group with the chemical formula -OH and composed of one oxygen atom covalently bonded to one hydrogen atom. In organic chemistry, alcohols and carboxylic acids contain one or more hydroxy groups. Both the negatively charged anion HO−, called hydroxide, and the neutral radical...
14387
https://en.wikipedia.org/wiki/Warm-blooded
Warm-blooded
Warm-blooded is an informal term referring to animal species which can maintain a body temperature higher than their environment. In particular, homeothermic species maintain a stable body temperature by regulating metabolic processes. The only known living homeotherms are birds and mammals, and the only living homeoth...
14388
https://en.wikipedia.org/wiki/Hephaestus
Hephaestus
Hephaestus (; eight spellings; ) is the Greek god of blacksmiths, metalworking, carpenters, craftsmen, artisans, sculptors, metallurgy, fire (compare, however, with Hestia), and volcanoes. Hephaestus's Roman counterpart is Vulcan. In Greek mythology, Hephaestus was either the son of Zeus and Hera or he was Hera's parth...
14389
https://en.wikipedia.org/wiki/Herman%20Charles%20Bosman
Herman Charles Bosman
Herman Charles Bosman (5 February 1905 – 14 October 1951) is widely regarded as South Africa's greatest short-story writer. He studied the works of Edgar Allan Poe and Mark Twain and developed a style emphasizing the use of satire. His English-language works utilize primarily Afrikaner characters and highlight the many...
14390
https://en.wikipedia.org/wiki/Hungarian
Hungarian
Hungarian may refer to: Hungary, a country in Central Europe Kingdom of Hungary, state of Hungary, existing between 1000 and 1946 Hungarians, ethnic groups in Hungary Hungarian algorithm, a polynomial time algorithm for solving the assignment problem Hungarian language, a Finno-Ugric language spoken in Hungary an...
14392
https://en.wikipedia.org/wiki/Howitzer
Howitzer
A howitzer () is generally a large ranged weapon between an artillery gun (also known as a cannon outside the US) – which has smaller, higher-velocity shells fired at flatter trajectories – and a mortar – which fires at higher angles of ascent and descent. Howitzers, like other artillery equipment, are usually organize...