Selene In Greek mythology, Selene was an archaic lunar deity and the daughter of the titan Hyperion and Theia. In Roman mythology the moon goddess was Luna. Like most moon deities, Selene plays a fairly large role in her pantheon. However, Selene was eventually largely supplanted by Artemis, and Luna by Diana.
	SELENE SELENE is a Japanese lunar orbiter spacecraft currently in integration. The name stands for Selenological and Engineering Explorer, and it is produced by Institute of Space and Astronautical Science for NASDA. The proposed launch period is sometime in 2007.
	Selenic acid Selenic acid, H2SeO4, is a selenium oxoacid. Selenic acid is analogous to sulfuric acid and has similar properties; however, it is a stronger oxidizer and more acidic. It forms salts called selenates which follow very similarly the solubility patterns of sulfates.
	Selenium Selenium is a chemical element with atomic number 34, with the chemical symbol Se. Selenium is not found in the free state in nature. It is a nonmetal that is chemically related to sulfur and tellurium. It is toxic in large amounts, but trace amounts of it, forming the active center of certain enzymes, are necessary for the function of all cells in all living organisms.
	Seleucus I Nicator Seleucus I, was a Macedon officer of Alexander the Great. In the wars of the Diadochi that took place after Alexander's death, Seleucus established the Seleucid dynasty and the Seleucid Empire.
	Self-consciousness Self-consciousness is an acute sense of self-awareness, with slight tinges of paranoia. It is the unpleasant feeling of being watched or observed, that "everyone is looking at" one. It may be the basis of shyness.
	Self-organization Self-organization is a process in which the internal organization of a system, normally an open system, increases in complexity without being guided or managed by an outside source. Self-organizing systems typically display emergence.
	Selfless Selfless is Godflesh's third official album. It was released in 1994 on Earache Records.
	Selkirk The Royal Burgh of Selkirk is a town in the Scotland Scottish Borders. It lies on the River Ettrick, a tributary of the River Tweed, famous for its salmon fishing. The population at the time of the 2001 census was 5,839. It may not be the largest burgh in the Scottish Borders, but it possesses a great amount of history, tradition and spirit.
	Selkirk Mountains The Selkirk Mountains are a mountain range originating in Idaho and Washington, and extending into southeastern British Columbia. They begin at Mica Peak near Coeur d'Alene, Idaho and extend approximately 320 Kilometre north from the border. The range is roughly bounded by the Columbia River.
	Selva Selva is a coastal Comarques of Catalonia in Catalonia, Spain, located between the mountain range known as the Serralada Transversal or Puigsacalm and the Costa Brava. Unusually, it is divided between the provinces of Girona and Barcelona, with Fogars de la Selva being part of Barcelona province, and all other municipalities falling inside Girona province.
	Selvage In a weaving fabric, the selvage (or selvedge) is the uncut edge of the fabric which is on the right- and left-hand edges as it comes out of the loom. As such it is 'finished' and will not fray because the weft threads double back on themselves. The term also refers to the unfinished but structurally sound edges of flat knitted textiles.
	Semaphore The semaphore or optical telegraph is an apparatus for conveying information by means of visual signals, with towers with pivoting blades or paddles, shutters, in a matrix, or hand-held flags etc. Information is encoded by the position of the mechanical elements; it is read when the blade or flag is in a fixed position.
	Semen Semen is an organic fluid that usually contains spermatozoon. It is secreted by the gonads and other sexual organs of male or hermaphrodite animals, including slugs, for fertilization of female ovum. Semen discharged by an animal or human is known as ejaculate, and the process of discharge is called ejaculation.
	Semicircle In mathematics, a semicircle is a two-dimensional geometric shape that forms half of a circle. Being half of a circle's 360, the Arc of a semicircle always measures 180. Additionally, an angle in a semicircle is always a right angle.
	Semiconductor A semiconductor is a material with electrical conductivity that is intermediate between that of an insulator and a electrical conductor. The conductivity and other electrical properties of semiconductors are determined by the material's electronic band structure. Semiconductors' electrical properties may be modified by introducing impurities in a process known as doping .
	Semiconductor device Semiconductor devices are electronic components that exploit the electronics properties of semiconductor materials, principally silicon, germanium, and gallium arsenide. Semiconductor devices have replaced vacuum tube in most applications.
	Seminole The Seminole are a Native Americans in the United States people originally of Florida, and now residing in that state and in Oklahoma. The Seminole nation came into existence in the 18th century and was composed of Indians from Georgia, Mississippi, Alabama, and Florida, most significantly the Creek people, as well as African Americans who escaped from slavery in South Carolina and Georgia.
	Semipermeable membrane A semipermeable membrane, also termed a selectively permeable membrane, a partially permeable membrane or a differentially permeable membrane, is a membrane which will allow certain molecules or ions to pass through it by diffusion and occasionally specialised "facilitated diffusion".
	Semis The semis was small Roman bronze coin that was valued at half an as. During the Roman Republic, the semis was distinguished by an 'S' or 6 dots. The coin featured a bust of Saturn on the obverse, and the prow of a ship on the reverse. Initially a casting coin, like the rest of Roman Republican bronzes, it began to be struck from shortly before the Second Punic War.
	Semitic In linguistics and ethnology, Semitic was first used to refer to a language family of largely Middle Eastern origin, now called the Semitic languages. This family includes the ancient and modern forms of Amharic, Arabic language, Aramaic language, Assyrian Neo-Aramaic, Akkadian language, Hebrew language, Maltese language, Syriac, Tigrinya, etc.
	Semitone A semitone, or half-step is a musical interval. It is the smallest interval commonly used in western music, and is considered the most dissonant. The most commonly written form of this interval is the minor second, notated using two adjacent letter names, but the augmented unison is also used, both notes having the same letter-name, with one of the notes being inflected by an accidental.
	Semolina Semolina is coarsely ground Cereal, usually wheat, with particles mostly between 0.25 and 0.75 millimetre in diameter. The same Flour mill grade is sometimes called farina, or grits if made from maize. It refers to two very different products: semolina for porridge is usually steel-cut soft common wheat whereas "durum semolina" used for pasta or gnocchi is coarsely ground from either durum wheat or other hard wheat, usually the latter because it costs less to grow.
	Senecio Senecio is a genus of the daisy family includes ragworts and groundsels. The flower heads are normally rayed, completely yellow, and the heads are borne in branched clusters. Though of late the genus has been reviewed and split up, it still contains a vast number of species of extremely wide form including leaf succulents, stem and tuber succulents, annuals, perennials, aquatic forms, climbers, shrubs and small trees.
	Senegal Senegal , officially the Republic of Senegal, is a country south of the Sngal River in West Africa. Senegal is bounded by the Atlantic Ocean to the west, Mauritania to the north, Mali to the east, and Guinea and Guinea-Bissau to the south. The Gambia lies almost entirely within Senegal, surrounded on the north, east and south; from its western coast, The Gambia's territory follows the Gambia River more than 300 km inland.
	Senescence In biology, senescence is the combination of processes of deterioration which follow the period of development of an organism. For the science of the care of the elderly, see gerontology; for experimental gerontology, see life extension. The word senescence is derived from the Latin word senex, meaning "old man" or "old age."
	Senna obtusifolia Senna obtusifolia is a plant in the genus Senna. It is also known as foetid cassia, sickle senna, Chinese senna, sicklepod, sickle-pod, sickle pod, coffee weed, coffeeweed, coffee pod, coffee-pod, java bean, java-bean, or arsenic weed.
	Sennacherib Sennacherib was the son of Sargon II, whom he succeeded on the throne of Assyria . In 701 BC, an Ancient Egypt-backed rebellion broke out in Kingdom of Judah and was led by Hezekiah. Sennacherib was able to sack many cites in Judah. He laid siege to Jerusalem, but soon returned to Nineveh, with Jerusalem not having been sacked.
	Sens Sens is a town and commune in France of France, in the Bourgogne Rgion in France, in the Yonne Dpartements of France, of which it is a sous-prfecture.
	Sensitive fern The Sensitive fern, also known as the Bead fern, is a course-textured, medium to large-sized perennial fern. The name comes from the observation by early settlers that it was very sensitive to frost, the fronds dying quickly when first touched by it. It is the sole species in the monotypic genus Onoclea.
	Sensory deprivation Sensory deprivation is the deliberate reduction or removal of stimulus from one or more of the senses. Simple devices such as blindfolds and earmuffs can cut off sight and hearing respectively, while more complex devices can also cut off the sense of smell, touch, taste, thermoception, and 'gravity'.
	Sensory nerves Sensory nerves are nerves that receive sensory stimuli, such as how something feels and if it is painful. They are made up of nerve fibers, called sensory fibers.
	Sensory neuron Sensory neurons are neuron within the nervous system responsible for converting external stimuli from the organism's environment into internal electrical motor reflex loops and several forms of involuntary behavior, including pain avoidance. In humans, such reflex Biological neural networks are commonly located in the spinal cord.
	Sensory system (See also sense) A sensory system is a part of the nervous system responsible for processing sense information. A sensory system consists of sensory receptors, neural pathways, and parts of the brain involved in sensory perception. Commonly recognized sensory systems are those for vision, hearing, somatic sensation, taste and olfaction.
	Seoul Seoul listen) is the capital and largest city of South Korea . The city's name derives from the ancient Korean language word Seorabeol or Seobeol, meaning "capital city". The city has been known in the past by the successive names Wiryeseong , Hanyang and Hanseong .
	Sepal A sepal is an individual unit of the calyx of a flower. The calyx is the outer part of the perianth, which comprises the sterile inner and outer tepals that are usually differentiated into petals and sepals. The term tepal is usually applied when the petals and sepals are not differentiated.
	Sepiidae Sepiidae is a family (biology) of cephalopods in the Order (biology) Sepiida.
	Sepiolite Sepiolite is a clay mineral, a complex magnesium silicate, a typical formula for which is Mg4Si6O15(OH)2 . 6H2O. It can be present in fibrous, fine-particulate, and solid forms. It is used in oil drilling and also, in a solid form known as Meerschaum, for carving.
	September September is the ninth month of the year in the Gregorian Calendar and one of four Gregorian months with 30 days. September begins in western tropical astrology with the sun in the sign of Virgo and ends in the sign of Libra . Astronomically speaking, the sun actually begins in the constellation of Leo and ends in the constellation of Virgo.
	September 11 is the 254th day of the year in the Gregorian calendar . There are 111 days remaining. It is usually the first day of the Coptic calendar and Ethiopian calendar .
	September 17 is the 260th day of the year . There are 105 days remaining. Events *1176 - The Battle of Myriokephalon is fought. *1394 - King Charles VI of France orders all Jews expelled from France. *1462 - The Battle of Swiecino is fought during Thirteen Years' War.
	Septic tank - ||- ||} A septic tank also known as a septic system is a small scale sewage treatment system common in areas with no connection to main sewerage pipes. In North America approximately 25% of the population relies on septic tanks; this can include suburbs and small towns as well as rural areas.
	Septuagint The Septuagint is the name commonly given in the West to the ancient, Koine Greek version of the Old Testament translated in stages between the 3rd century BC to 1st century BC in Alexandria. It is the oldest of several ancient translations from the Tanakh into Greek language.
	Sequin Sequins are disk shaped beads used for decorative purposes. They are available in a wide variety of colors and geometrical shapes. Sequins are commonly used on clothing, jewelry, bags and other accessories. Large sequins, fastened only at the top, have been used on billboards and other signage, particularly prior to the development of lighted and neon signs.
	Sequoia Sequoia is a genus in the cypress family Cupressaceae, containing the single living species Sequoia sempervirens. Common names include Coast Redwood and California Redwood . It is an evergreen, long-lived, Plant sexuality tree living for up to 2,000 years, and is commonly considered the tallest tree in the world, reaching up to 116 m in height and 7 m diameter at the base.
	Sequoia National Park Sequoia National Park is a national park in the southern Sierra Nevada, east of Fresno, California in the United States of America. The park was the third national park to be formed in the USA, in 1890. The park spans 404,051 acres. Encompassing a vertical relief of nearly 13,000 feet, the park contains among its natural resources the highest point in the contiguous 48 United States, Mount Whitney, at 14,505 feet above sea level.
	Sequoiadendron Sequoiadendron giganteum is the sole species in the genus Sequoiadendron, and one of three species of coniferous trees known as redwoods, classified in the family Cupressaceae in the subfamily Cupressaceae#Classification, together with Sequoia and Metasequoia .
	Sequoyah Sequoyah , known as George Guess, Guest or Gist, was a Cherokee silversmith who invented the Cherokee syllabary, thus earning him a place on the list of inventors of writing systems.
	Seraph A seraph is one of a class of celestial beings mentioned once in the Old Testament, in Book of Isaiah. Later Jewish imagery perceived them as having human form, and in that way they passed into the ranks of Christian angels. It is the highest rank of angels.
	Serbia Serbia, officially the Republic of Serbia is a landlocked country in Central Europe and Balkans Europe, covering the central part of the Balkan Peninsula and the southern part of the Pannonian Plain. The capital is Belgrade. Serbia borders Hungary to the north; Romania and Bulgaria to the east; Albania and the Republic of Macedonia to the south; and Montenegro, Croatia and Bosnia and Herzegovina to the west.
	Serbia and Montenegro Serbia and Montenegro the State Union [of] Serbia and Montenegro, was a confederation Political union of Serbia and Montenegro, which existed between 2003 and 2006. The two republics, both of which are former republics of the Socialist Federal Republic of Yugoslavia, initially formed the Federal Republic of Yugoslavia in 1992.
	Serbians Serbians are people who live in, or come from, Serbia. It includes people of different ethnicities. Serbians should not be confused with Serbs, who are members of an ethnic group present in many different countries. Serbians include various ethnic groups which live in Serbia: Serbs, Hungarians, Bosniaks, Roma people, Albanians, Slovaks, Croats, Romanians, Bulgarians, Montenegrins, and others.
	Serbs Serbs are a South Slavs people who live mainly in Serbia, Montenegro, Bosnia-Herzegovina, and, to a lesser extent, in Croatia. There is a sizable Serbian diaspora in Western Europe , as well as in the United States and Canada.
	Serendipity Serendipity: to make discoveries, by accident and sagacity, of things not in quest of. The word serendipity has come from an old Persian literature fairy tale and was coined by Horace Walpole 28 January, 1754, in a letter he wrote to his friend, Horace Mann , the English resident in Florence:
	Seres Seres was the ancient Greek language and Latin name for the northwestern part of China and its inhabitants. It meant "of silk," or "land where silk comes from." The name is thought to derive from the Chinese word for silk, "si". It is itself at the origin of the Latin for silk, "serica".
	Serfdom Serfdom refers to the legal and economic status of some peasants under feudalism, specifically in the manorialism economic system and refers to a condition of bondage or modified slavery. This feudal relationship originated in the late Roman Empire. Serfs are laborers who are bound to the land; they formed the lowest social class of the feudal society.
	Serge Koussevitzky Dr. Sergei Aleksandrovich Koussevitzky, or Serge, was a Russian-born conducting best known for his long tenure as music director of the Boston Symphony Orchestra from 1924 to 1949.
	Sergeant Sergeant is a Military rank used in some form by most militaries, police forces, and other uniformed organisations around the world.
	Sergeant First Class ergeant]] * Comparative military ranks * U.S. Army enlisted rank insignia Category:Military ranks of the United States Army da:Oversergent
	Sergeant Major A Sergeant Major is a senior non-commissioned officer or warrant officer, depending on the country and military service in question.
	Sergei Diaghilev Sergei Pavlovich Diaghilev , also referred to as Serge, was a Russian people art critic, patron, ballet impresario and founder of the Ballets Russes from which many famous dancers and choreographers would later arise.
	Sergei Eisenstein Sergei Mikhailovich Eisenstein was a revolutionary Soviet Union film director and Film theory noted in particular for his silent films Strike , The Battleship Potemkin and October: Ten Days That Shook The World.
	Sergei Rachmaninoff Sergei Vasilievich Rachmaninoff was a Russia composer, pianist, and conducting.
	Serial Serial is a term, originating in literature, for a format by which a story is told in contiguous installments in sequential issues of a single periodical publication. More generally, serial is applied in library and information science to materials "in any medium issued under the same title in a succession of discrete parts, usually numbered and appearing at regular or irregular intervals with no predetermined conclusion." By extension, serial also came to apply to a film issued in the same installment manner over a period of
	Serial killer Serial killers are people who kill on at least three occasions with a break in between each murder. The crimes committed are a result of a compulsion that may have roots in the killer's youth and psychopathological disorders, as opposed to those who are motivated by financial gain or ideological/political motivations .
	Serial port In computing, a serial port is a serial communication physical interface through which information transfers in or out one bit at a time. Throughout most of the history of personal computers, data transfer through serial ports connected the computer to devices such as computer terminals or modems.
	Seriema The Seriemas are a small and ancient family of tropical South American birds, belonging to the family Cariamidae, that are related to the rails and bustards. They are terrestrial birds which run rather than fly They have long legs, necks, and tails, but only short wings, reflecting their way of life.
	Serif In typography, serifs are the structural details on the end of strokes that make up letters and symbols. A serif font has these features. A typeface without serifs is called sans-serif . Some typography sources refer to sans-serif typefaces as grotesque or gothic, and serif typefaces as roman; however, these terms are no longer commonly used, except in specific font names.
	Serin If you are looking for the nerve agent, see sarinA number of small birds in the finch family Fringillidae are named as serins. These are some of the small species in the genus Serinus with largely yellow plumage. * Red-fronted Serin, Serinus pusillus
	Serine Serine , organic compound, one of the 20 amino acids commonly found in animal proteins. Only the L-stereoisomer appears in mammalian protein. It is not essential to the human diet, since it can be synthesized in the body from other metabolites, including glycine. Serine was first obtained from silk protein, a particularly rich source, in 1865.