Horace Mann Horace Mann, United States education reformer and abolitionist, was born in Franklin, Massachusetts. He was brother-in-law to author Nathaniel Hawthorne since their wives were sisters.
	Hordeum Hordeum is a genus of about 30 species of annual and perennial Poaceae, native throughout the temperate Northern Hemisphere, temperate South America, and also South Africa. One species, H. vulgare, is of major commercial importance as a cereal grain, used as fodder crop and for malting in beer and whiskey production.
	Horizon The horizon is the line that separates earth from sky. More precisely, it is the line that divides all of the directions you can possibly look into, into two categories: those which intersect the Earth, and those which do not. At many locations, the true horizon is obscured by trees, buildings, mountains and so forth.
	Horn of Africa The Horn of Africa or Somali Peninsula is a peninsula of East Africa that juts for hundreds of kilometers into the Arabian Sea, and lies along the southern side of the Gulf of Aden. It is the easternmost projection of the African continent. It indeed resembles in outline the horn — perhaps especially, the horns of the Black Rhinoceros, whose historic range includes parts of Ethiopia:
	Hornbeam The hornbeams are a genus of relatively small hardwood trees, placed in the birch family Betulaceae, though some botanists separate it off together with the hazels and hop-hornbeams into a segregate family Corylaceae. The 30-40 species occur across much of the north temperate regions, with the greatest number of species in east Asia, particularly China.
	Hornbill Hornbills are a group of birds whose bill is shaped like a cow's horn, but without a twist, sometimes with a casque on the upper mandible. Frequently, the bill is brightly coloured. Both the common English and the scientific name of the family refer to the shape of the bill, "buceros" being "cow horn" in Greek language.
	Hornblende Hornblende is a complex Silicate minerals series of minerals. Hornblende is not a recognized mineral, but is used as a general or field term to refer to a dark amphibole. It is an isomorphous mixture of three molecules; a calcium-iron-magnesium silicate, an aluminium-iron-magnesium silicate, and an iron-magnesium silicate.
	Hornbook A hornbook was a primary education for children consisting of a sheet containing the letters of the alphabet, mounted on wood and protected by a thin sheet of transparent horn. Sometimes the sheet was simply pasted against the slice of horn. The wooden frame often had a handle, and it was usually hung at the child's girdle.
	Horned lizard Horned lizards are a genus of the Phrynosomatidae family of lizards. The horned lizard is popularly called a "horned toad," "horny toad", or "horned frog," but it is neither a toad nor a frog. The popular names come from the lizard's rounded body and blunt snout, which give it a decidedly toad-like or frog-like appearance.
	Horned owl The horned owls are the genus of 17 species of typical owls which are found in many parts of the world. Horned owls are among the largest owls. The species are: *Giant Owl *Great Horned Owl **South American Great Horned Owl *Magellanic Horned Owl *Eurasian Eagle Owl
	Horned Puffin The Horned Puffin is an auk, similar in appearance to the Atlantic Puffin; this bird's bill is yellow at the base and red at the tip. It is a pelagic seabird that feeds primarily by diving for fish. They nest in colonies, often with other auks. The yellow bill plate grows before the breeding season and is shed later.
	Hornet Hornets are large eusociality wasps, reaching up to 35 millimetres in length. The true hornets make up the genus Vespa]], and are distinguished from other vespine by the width of the vertex, which is proportionally larger in Vespa; and by the anteriorly rounded gasters.
	Hornwort Hornworts are a group of bryophytes, or non-vascular plants, comprising the division Anthocerotophyta. The common name refers to the elongated horn-like structure, which is the sporophyte. The flattened, green plant body of a hornwort is the gametophyte plant. Hornworts may be found world-wide, though they tend to grow only in places that are damp or humid.
	Horoscope In astrology, a horoscope is a chart or diagram representing the positions of the planets, other celestial bodies, and Angle at the time of any event, such as a person's birth. The term horoscope is derived from Greek language words meaning, "a look at the hours" [horoskopos, pl.
	Horse The horse is a large odd-toed ungulate mammal, one of ten modern species of the genus Equidae. Horses have long been one of the most economically important domesticated animals, and have played an important role in the transport of people and cargo for thousands of years.
	Horse breeding Horse breeding refers to the human-directed process of planned mating of horses. Though many amateur horse owners may simply breed a family mare to a local stallion in order to produce a companion animal, most professional breeders use selective breeding to produce individuals of a given phenotype, or breed.
	Horse racing Horse racing is an equestrianism sport which has been practiced over the centuries; the chariot racing of Ancient Rome are an early example, as is the contest of the steeds of the god Odin and the giant Hrungnir in Norse mythology.
	Horse-drawn vehicle Throughout history and before, there has been a huge number of types of horse-drawn vehicle. A hundred years ago, every schoolboy would have been able to recognize and name dozens of them but now, they are largely replaced by motor vehicles. However, many have their respective Wikipedia article and this one is intended as an index to those.
	Horsecar A horsecar was an animal-powered streetcar. In the United States, during the 19th century, one of the earliest form of public transit to develop was the omnibus. These were local version of the stagecoach lines, and picked up and dropped off passengers on a regular route and without the need to be pre-hired.
	Horseradish Horseradish is a perennial plant of the Brassicaceae family, which includes Mustard plant and cabbages. The plant is probably native to southeastern Europe and western Asia, but is popular around the world today. It grows up to 1.5 metres tall and is mainly cultivated for its large white, tapering root, although the leaves are also edible.
	Horseshoe A horseshoe is a U-shaped piece of steel, aluminium, rubber, plastic, rawhide or a laminate of these, nail ed or Polymethyl methacrylated to the hooves of horses and some other draught animals--like a shoe. They are used to protect the animal's hooves from wear and tear.
	Horseshoe bat Horseshoe bats are a large family of bats including approximately 130 species grouped in 10 genera. They belong to the suborder Microchiroptera. The Rhinolophidae family is sometimes divided into two families, the Rhinolophidae and Hipposideridae. There is little question that these two groups of bats are closely related, but current practise is to classify them as subfamilies in a single family.
	Horseshoe crab The horseshoe crab is a chelicerate arthropod, therefore it is more closely related to spiders and scorpion than crabs. They are most commonly found in the Gulf of Mexico and along the northern Atlantic Ocean coast of North America. A main area of annual migration is the Delaware Bay.
	Horseshoe Vetch Horseshoe Vetch is a flowering plant.
	Horseshoes Horseshoes is an outdoor game played between two people using four horseshoes and two stakes. The game is played by the players alternating turns tossing horseshoes at stakes in the ground, which are traditionally placed 40 feet apart. Modern games use a more stylized U-shaped bar, about twice the size of an actual horseshoe.
	Horsetail The horsetails are vascular plants, comprising 15 species of plants in the genus Equisetum. This genus is the only one in the family Equisetaceae, which in turn is the only family in the order Equisetales and the class Equisetopsida. This class is often placed as the sole member of the Division Equisetophyta , though some recent molecular analyses place the genus within pteridophytes, related to Marattiales.
	Horus Horus is an ancient god of Egyptian mythology, whose cult survived so long that he evolved dramatically over time and gained many names. The most well known name is the Greek Horus, representing the Egyptian Heru/Har, which is the basic element in most of the other names of Horus.
	Hose A hose is a hollow tube designed to carry fluids from one location to another. Hoses are also sometimes called pipe, or more generally tubing. The shape of a hose is usually cylinder. Hoses are used in water or other liquid environments to convey air or other gases; they are used in air or other gaseous environments to convey liquids.
	Hosni Mubarak Muhammad Hosni Said Mubarak commonly known as Hosni Mubarak has been the President of Egypt since 14 October 1981. Mubarak was appointed the Vice-President of the Republic of Egypt after moving up the ranks of the Egyptian Air Force. He ascended to the Presidency, succeeding President Anwar Sadat, following the latter's Anwar Sadat#His assassination on 6 October 1981.
	Hospital A hospital is an institution for health care provided by physicians, surgeons, nurses, and other professionals.
	Hospital ship A hospital ship is a ship designated for primary function as a healthcare facility or hospital; most are operated by the military forces or navy of various countries around the world. An early example of a hospital ship was USS Red Rover in the 1860s, which aided the wounded soldiers of both sides during the American Civil War.
	Hosta Hosta is a genus of about 23–40 species of lily-like plants native to northeast Asia. They were once classified in the family Liliaceae but are now included in the family Agavaceae by the Angiosperm Phylogeny Group. The scientific name is also used as the common name; in the past they were also sometimes called the Corfu Lily, the Day Lily, or the Plantain lily, but these terms are now obsolete.
	Hostel Hostels, also called youth hostels, provide short-term lodging to travellers or Backpacking, particularly encouraging outdoor activities and cultural exchange for the young. Hostels are also often called backpackers' hostels, particularly in Australia and New Zealand.
	Hot chocolate Hot chocolate, hot cocoa or drinking chocolate is a beverage, usually served warm, typically consisting of milk, chocolate or cocoa, and sugar. It became popular in Europe after being introduced from the New World.
	Hot cross bun A hot cross bun is a type of sweet spiced bun made with Zante currants and leavened with yeast. It has a cross on the top which might be made in a variety of ways: it could be pastry, made from a simple flour and water mixture, cut from rice paper and glazed onto the bun, or simply cut into the bun itself.
	Hot dog A hot dog is a type of cooked, curing and often smoked sausage of even texture and flavor that is softer and more moist than most sausages, and the sausage most readily eaten as finger food, especially in the United States. As finger food, it is usually placed hot in a soft sliced bun of the same shape as the sausage, and optionally includes condiments and toppings.
	Hot plate A hot plate is a small electric stove often used in a laboratory setting to heat glassware. Some hotplates also contain a magnetic stirrer, allowing the heated liquid to be stirred simultaneously. Hot plates are also used in food preparation, generally for small dishes in places where a full kitchen stove would not be convenient.
	Hot pot Hot pot, also known as Steamboat, is a communal dish which originates from Mongolia, but now eaten in a variety of forms throughout East Asia. It consists of a simmering pot of stock at the center of the dining table. While the hot pot is kept simmering, ingredients are placed into the pot and are cooked at the table.
	Hot rod Hot rods are custom-built cars. Originally the term was used to the practice of taking an old car, usually a Ford, and improving its performance by reducing weight, lower it, change or Engine tuning the engine to give more power, add fat wheels for traction and paint it to make it stand out.
	Hot sauce A hot sauce is any spicy condiment sauce. In some West Indies countries, hot sauce is simply called pepper.
	Hot spring A hot spring or a hydrothermal spring is a place where warm or hot groundwater issues from the earth on a regular basis for at least a predictable part of the year, and is significantly above the ambient ground temperature .
	Hot Springs National Park Established from Hot Springs Reservation, Hot Springs National Park is a United States National Park in central Arkansas adjacent to the city of Hot Springs, Arkansas. Hot Springs Reservation was initially created by an act of Congress on April 20, 1832, and the area was made a national park on March 4, 1921.
	Hot tub A hot tub is a large manufactured tub or small pool full of heated water and used for soaking, Recreation, massage, or hydrotherapy. In most cases, they have jets for massage purposes. Hot tubs are usually located outdoors, and are often sheltered for protection from the elements, as well as for privacy.
	Hotei Hotei or Bu-Dai is better known in the English-speaking world as the fat Laughing Buddha. In China, he is called Bu-Dai or M L F and dubbed the Loving or Friendly One. He has become incorporated into Buddhist and Shinto culture and is based on an eccentric Chinese Ch'an monk.
	Hotel A hotel is an establishment that provides paid lodging, usually on a short-term basis. Hotels often provide a number of additional guest services such as a restaurant, a swimming pool or childcare. Some hotels have business conference services and conference room and encourage groups to hold Convention s and meetings at their location.
	Hotel Room Hotel Room was a three episode 1993 in film HBO TV-Series produced by David Lynch. Each drama takes place in the same New York City hotel room at different times. Barry Gifford wrote, and David Lynch directed, the first and third episodes; Jay McInerney wrote, and James Signorelli directed, the second.
	Hoth In the fictional universe of Star Wars, Hoth is the sixth planet of a remote solar system of the same name. It is a world covered in snow and ice, with numerous natural satellites, and pelted by meteorites from a nearby asteroid belt. Native creatures include the wampa and the List of Star Wars races#tauntaun.
	Hottonia palustris Water Violet of the family Primulaceae is an aquatic plant common throughout Europe. This plant has a Plant stem reaching up to 80 cm in height. Its basal roots are buried in the underlying mud while other silvery, shiny roots dangle freely in the water. The Leaf are deeply divided as far as the central vein, like the teeth of a double comb, and are completely submerged, but if there is a drastic fall in the water level they can surface.
	Hound A hound is a type of dog that assists hunters by tracking or chasing the animal being hunted. Compare with gun dogs, which assist hunters by identifying the location of prey or retrieving it rather than by chasing it. There are three types of hound, with several dog breeds belonging to each type:
	Hourglass An hourglass, also known as a sandglass or sand timer, is a device for the measurement of time. It consists of two glass bulbs placed one above the other which are connected by a narrow tube. One of the bulbs is usually filled with fine sand which flows through the narrow tube into the bottom bulb at a given rate.
	House People construct houses as dwelling-spaces for human habitation. Such dwellings generally feature enclosing walls, a roof and one or more floors. This overall structure provides shelter against precipitation , wind, heat, cold and intruders. Animals may often live inside a house as well, both domestic pets and "unwanted" animals .
	House centipede The house centipede is a yellowish grey centipede with 15 pairs of legs. Originally native to the Mediterranean region, the species has spread to other parts of the world, where it usually lives in human homes. It is an insectivore that kills and eats insects.
	House Martin The House Martin is a bird migration passerine of the family Hirundinidae. The European range of the House Martin roughly corresponds with that of its relative the Barn Swallow, and it also winters in tropical Africa. The adult House Martin is steel-blue above with a white rump, and white underparts; even its short legs and toes have white downy feathering.
	House mouse Mus musculus is the common house mouse. This mouse is believed to be the second most populous mammalian species on Earth, after Homo sapiens. House mice almost always live in close proximity of humans. Laboratory mice are strains of house mice that form important model organisms in biology and medicine; they are the most commonly used laboratory mammal.
	House of Burgesses The House of Burgesses was the lower house of the Colony of Virginia. It was the first elected legislature in the New World. Over time the name came to represent the entire official legislative body of the Colony of Virginia, and later, after the American Revolution, the Virginia General Assembly of the Virginia.
	House of Cards House of Cards was a political thriller novel written by Michael Dobbs, a former Chief of Staff at Conservative Party headquarters, which was set at the end of Margaret Thatcher's tenure as British Prime Minister. In 1990, it was televised in a critically and popularly acclaimed television drama serial by the BBC, for which it is probably better known.
	House of cards Building a house of cards is a pastime involving the stacking of playing cards on top of each other in order to form a structure. The structures created using this method rely on nothing more than balance, or the compression weight of other playing cards, in order to stay upright. No adhesives or other external connecting methods are used, and no damage or alterations are made to the cards themselves.
	House of Commons The House of Commons is the elected lower house of the bicameral parliament in the United Kingdom and Canada. There have also been Houses of Commons in Ireland and North Carolina. In the UK and Canada, the Commons generally holds much more power than the upper house.
	House of Hanover The House of Hanover were a Germany Royal family dynasty of Lombard descent which succeeded the House of Stuart as kings of Great Britain in 1714. They also ruled Hanover in Germany, their original possession. They are sometimes referred to as the House of Brunswick, Hanover line.
	House of Lancaster The House of Lancaster is a dynasty of British monarchs. It was one of the opposing factions involved in the Wars of the Roses, an intermittent civil war which affected England and Wales during the 15th century. The House is named Lancaster, because its members were all descended from John of Gaunt, 1st Duke of Lancaster; their symbol was a Red Rose of Lancaster.
	House of Lords The House of Lords is the upper house of the Parliament of the United Kingdom. The Parliament also includes the British monarchy and the British House of Commons .
	House of Windsor The House of Windsor, a branch of the Saxe-Coburg and Gotha line of the House of Wettin, is the Royal House of the United Kingdom of Great Britain and Northern Ireland and each of the other Commonwealth Realms. In 1917, during World War I, anti-German feeling among the people resulted in the Royal Family exchanging use of all of their German titles and house names for English-sounding versions.
	House of York The House of York was a branch of the English royal House of Plantagenet, three of whom became List of monarchs of England in the late 15th century. The House of York was descended from Edmund of Langley, 1st Duke of York, the fourth son of Edward III of England.
	House Sparrow The House Sparrow is a member of the Old World sparrow family sparrow. It occurs naturally in most of Europe and much of Asia. It has also followed humans all over the world and has been intentionally or accidentally introduced to most of the Americas, Sahara Desert Africa and Australia as well as urban areas in other parts of the world.
	House Wren The House Wren, Troglodytes aedon, is a small songbird of the wren family. Their breeding habitat is semi-open areas from Canada to southernmost South America. The tropical forms from southern Mexico southwards are sometimes considered a separate species, the Southern House Wren, Troglodytes musculus.
	Houseboat A houseboat is a boat that has been designed or modified to be used primarily as a human dwelling. Some houseboats are not motorized, because they are usually moored, kept stationary at a fixed point.
	Housefly The housefly, Musca domestica, is the most common fly occurring in homes, the most familiar of all flies and indeed one of the most widely distributed animals; it is a pest that can facilitate serious diseases.
	Houseplant A houseplant is usually a tropical or semi-tropical plant that is grown indoors in places such as residences and offices. Houseplants are commonly grown for decorative purposes and health reasons such as indoor air purification.
	Housing estate A housing estate is a medium-to-low density residential area, usually part of a suburb of a town or city in a developed nation. It is a common form of residential area in the United Kingdom and Ireland, and is similarly popular in Europe. It is less prominent in countries with lower population densities, such as the United States and Australia.
	Houttuynia Houttuynia cordata, the sole species in the genus Houttuynia, is a flowering plant native to Japan, southern China and Southeast Asia, where it inhabits moist, shady places. It is a herbaceous perennial plant growing to between 20 and 80 cm tall. The proximal part of the stem is trailing and produces adventitious roots, while the distal part of the stem grows vertically.