Scarlet Tanager The Scarlet Tanager, Piranga olivacea, is a medium-sized songbird of the Tanager family, Thraupidae. Adults have pale stout pointed bills. Adult males are bright red with black wings and tail; females are yellowish on the underparts and olive on top, with olive-brown wings and tail.
	Scavenger The word scavenger, in zoology, refers to animals that consume already dead organic life-forms. Scavengers are useful to the ecosystem by feeding on and therefore breaking down dead animal and plant remains. The remains that are left behind by the scavengers are then used even further by decomposers.
	Sceptre A sceptre or scepter is a symbolic ornamental Staff held by a ruling monarch, a prominent item of kingly regalia.
	Scheelite Scheelite is a calcium tungstate mineral with the chemical formula CaWO4. It is an important ore of tungsten. Well-formed crystals are sought by collectors and are occasionally fashioned into gemstones when suitably free of flaws. Scheelite has been synthesis via the Czochralski process; the material produced may be used to diamond simulant, as a scintillator, or as a solid lasing medium.
	Schefflera Schefflera is a genus in the flowering plant family Araliaceae. The plants are trees, shrubs or lianas growing 1-30 m tall, with woody stems and palmately compound leaves. Circumscription of the genus has varied greatly. Phylogenetic studies have shown that the widely used broad circumscription as a pantropical genus of over 700 species is polyphyletic, but it remains to be seen how this will affect the classification of the genus.
	Scheldt The Scheldt is a 350 kilometre long river that finds its origin around Gouy-Le-Catelet in the north of France, enters Belgium and near Antwerp flows west into the Netherlands towards the North Sea. It is the main river through the Belgian cities of Ghent and Antwerp.
	Schematic It can also be used in philosophy. An example is in Plato's analoty of the cave where the nature of the good is discussed. A schematic is a diagram, drawing, or sketch that details the elements of a system, such as the elements of an electrical or electronic electrical network or the elements of a logic diagram for a computer or communications system.
	Scheuchzeriaceae Scheuchzeriaceae is the botanical name of a family of flowering plants. Such a family has not been recognized by many taxonomists. It is named after Johann Jakob Scheuchzer. The APG II system, of 2003, does recognize such a family and places it in the order Alismatales, in the clade monocots.
	Schick test The Schick test, invented between 1910 and 1911, is a test used to determine whether or not a person is susceptible to diphtheria. It was named after its inventor, Bla Schick, a Hungarian-born American pediatrician. The test is a simple procedure. A small amount of diluted diphtheria toxin is injected intradermally into the arm of the person.
	Schinus Schinus is a genus of trees in the Family Anacardiaceae comprising the pepper trees, most notably Schinus molle, the Peruvian pepper tree and S. terebinthifolius, the Brazilian pepper tree or Christmas berry. The latter is a serious invasive species in at least Florida and Hawaii, and the former locally so in southern California and parts of the Mediterranean region.
	Schipperke akcgroup = Non-sporting | akcstd = ankcgroup = Group 7 | ankcstd = ckcgroup = Group 6 | ckcstd = country = Belgium | fcigroup = 1 | fcinum = 083 | fcisection = 1 | fcistd = image = Dog1.jpg | image_caption = Schipperke | kcukgroup = Utility | kcukstd = name = Schipperke | nzkcgroup = Non-sporting
	Schist The schists form a group of medium-grade metamorphic rocks, chiefly notable for the preponderance of lamellar minerals such as micas, Chlorite group, talc, hornblende, graphite, and others. Quartz often occurs in drawn-out grains to such an extent that a particular form called quartz schist is produced.
	Schistosoma A genus of trematodes, Schistosoma spp., commonly known as blood-flukes and bilharzia, cause the most important human platyhelminthes infection from a world health perspective, and are considered by the World Health Organization as second in importance only to malaria, with hundreds of millions infected worldwide.
	Schistosomatidae Schistosomatidae is a family of digenetic trematodes with Parasitic life cycless. Immature developmental stages of schistosomes are found in molluscs and adults occur in vertebrates. The best studied group, the blood flukes of the genus Schistosoma, infect and cause disease in humans.
	Schistosomiasis Schistosomiasis or bilharzia is a disease affecting many people in developing country. In the form of 'acute' schistosomiasis, it is sometimes referred to as snail fever and cutaneous schistosomiasis may sometimes be commonly called swimmer's itch.
	Schizophragma Schizophragma is a genus of four species of lianas in the Hydrangeaceae, native to Asia from the Himalaya east to Taiwan and Japan. One species, S. hydrangeoides, is known as Climbing Hydrangea Vine. Category:Cornales pt:Schizophragma
	Schizophrenia Schizophrenia is a psychiatric diagnosis that describes a mental illness characterized by impairments in the perception or expression of reality and/or by significant social or occupational dysfunction. A person experiencing untreated schizophrenia is typically characterized as demonstrating disorganized thought, and as experiencing delusions or auditory hallucinations.
	Schlumbergera Schlumbergera is a genus of 6 known tree-dwelling cacti from Brazil. These are the tropical rainforest epiphytes, growing on tree branches where, despite the high rainfall, water drains off quickly so that "dry" conditions prevail much of the time. Not surprisingly these cacti are quite different in appearance to their desert dwelling cousins.
	Schmidt camera A Schmidt camera is an Astronomy camera designed to provide wide Field of view with limited Aberration in optical systems. Other similar designs are the Wright Camera and Lurie-Houghton telescope.
	Schnauzer A Schnauzer is a Germany type of dog. The name comes from the German language word for moustache because of the dogs' distinctively furry noses. Kennel clubs generally subdivide these dogs into three dog breed by size: *Miniature Schnauzer *Standard Schnauzer
	School A school is an institution where students learn from teachers; the word school can also refer to a building where such learning occurs. In most systems of formal education, students progress through a series of schools: primary school, secondary school, and possibly University or vocational school.
	School bus A school bus is a bus used to transport children and adolescents to and from school. The first school bus was horse-drawn, introduced in 1827 by George Shillibeer for a Quaker school at Abney Park Cemetery in Stoke Newington, London, and was designed to carry twenty-five children.
	School Days is a hentai animation adventure game developed by 0verflow. Released on April 28, 2005 on a double-layered DVD-ROM, the game requires 7.6 gigabytes of hard disk space for installation, DirectX 9.0 and Windows Media Player 9 or higher. The game is vastly different from traditional visual novels in that it resembles an interactive anime with over 70 minutes of animation - a first for this genre.
	Schoolgirl A schoolgirl is a girl attending either primary or secondary school. They are generally aged between five and eighteen years old.
	Schooner A schooner is a type of sailing ship characterized by the use of fore-and-aft rig sails on two or more mast s. Schooners were first used by the Netherlands in the 16th century or 17th century, and further developed in North America from the time of the American Revolution.
	Schutzstaffel The Schutzstaffel , abbreviated [Image:Sowilo.png|18px|Runic 'S']] or SS , was a large security and military organization of Germany's National Socialist German Workers Party. The SS was established in the 1920s as a personal-guard unit for Nazi leader Adolf Hitler.
	Schwann cell Named after the Germany physiologist Theodor Schwann, Schwann cells are a variety of neuroglia that mainly provide myelin insulation to axon in the peripheral nervous system of jawed vertebrates. The vertebrate nervous system relies on this myelin sheath for insulation and as a method of decreasing membrane capacitance in the axon, thus allowing for saltatory conduction to occur and for an increase in impulse speed, without an increase in axonal diameter.
	Sciadopitys The Koyamaki or Japanese Umbrella-pine, is a unique conifer endemic to Japan. It is the sole member of the family Sciadopityaceae and genus Sciadopitys, a living fossil with no close relatives, and known in the fossil record for about 230 million years.
	Sciaenidae Sciaenidae is a family of fish commonly called drums, croakers, or hardheads for the repetitive throbbing or drumming sounds by which they make themselves heard under water. The family includes the weakfish, and consists of about 275 species in about 70 genera; it belongs to the order Perciformes.
	Science Science in the broadest sense refers to any system of knowledge attained by verifiable means. In a more restricted sense, science refers to a system of acquiring knowledge based on empiricism#Scientific usage, experimentation, and methodological naturalism , as well as to the organized body of knowledge humans have gained by such research.
	Science fiction Science fiction is a popular genre of fiction in which the narrative world differs from our own present or historical reality in least one significant way. This difference may be technological, physical, historical, sociological, philosophical, metaphysical, etc, but not magical or supernatural .
	Science museum A science museum or a science centre is a museum devoted primarily to science. Older science museums tended to concentrate on static displays of objects related to natural history, paleontology, geology, etc. Modern trends in museology have broadened the range of subject matter and introduced many interactive exhibits.
	Scientific method Scientific method is a body of techniques for investigating phenomenon and acquiring new knowledge, as well as for correcting and integrating previous knowledge. It is based on observable, empirical, measurable evidence, and subject to deductive reasoning of inductive reasoning.
	Scientist A scientist is an expert in at least one area of science who uses the scientific method to do research. William Whewell coined the word in 1833 at the request of the poet Samuel Taylor Coleridge. Before that scientists were termed "natural philosophers" or "men of science".
	Scientology Scientology is a body of teachings and related techniques developed by United States author L. Ron Hubbard over some thirty years beginning in 1952 as a self-help philosophy, an outgrowth of his earlier self-help system, Dianetics. It claims to offer an Exact science methodology to help humans achieve awareness of their spiritual existence across Reincarnation and, simultaneously, to become more effective in the physical world.
	Scilla Scilla is a genus of bulbous perennial herbs in the hyacinth family Hyacinthaceae. The 90-odd species are found in woodlands, subalpine meadows, and seashores across the Old World. Their flowers are usually blue, but white, pink, and purple types are known; most flower in early spring, but a few are autumn-flowering.
	Scimitar A scimitar is a sword with a curved blade of a design finding its origins in western Asia. The name can be used to refer to almost any Arabian Peninsula sword with a curved blade. The word "scimitar" is possibly a derivative from the Persian language shamshir.
	Scincella Scincella is a genus of lizards in the skink family (biology), Scincidae, commonly referred to as Ground Skinks. The exact number of species in the genus is unclear, as taxonomy reclassification is ongoing, and sources vary widely. Scincella species primarily range throughout the temperate regions of the world and are typically small, fossorial lizards, which consume a wide variety of arthropods.
	Scincus The genus Scincus are lizards from the skink family, Scincidae. All three species are typical desert inhabitants, living in sandy and dune-like areas, with a hot and dry climate. They can be found from Arabia to the Sahara desert. SAND FISH Scincus scincus Origin: Southern Desert regions of North Africa.
	Scipio Africanus Publius Cornelius Scipio Africanus Major was a general in the Second Punic War and statesman of the Roman Republic. He was best known for defeating Hannibal of Carthage, a feat that earned him the surname Africanus, the nickname 'the Roman Hannibal' and recognition as one of the finest commanders in military history.
	Scirpus The plant genus Scirpus consists of a large number of aquatic, grass-like species in the family Cyperaceae, many with the common names club-rush or bulrush. Other common names are deergrass and grassweed. The genus has a cosmopolitan distribution, and grows in wetlands and moist soil.
	Scissors Scissors are a tool used for cutting thin material which requires little force. They are used for cutting, for example, paper, cardboard, metal foil, thin plastic, food, cloth, rope and wire. They are also used for cutting hair and nails.
	Sciuridae The Sciurids or squirrels are a large Family of rodents. It includes tree squirrels, ground squirrels, chipmunks, the marmots, and the true flying squirrels. The African scaly-tailed flying squirrels, which belong to the family Anomaluridae are not sciurids.
	Sciuromorpha The term Sciuromorpha has referred to numerous groups of rodents. In fact, the only family common to all variations is the Sciuridae, the squirrels. Most definitions also include the Mountain Beaver. Traditionally the term has been defined on the basis of the shape of the infraorbital canal.
	Sclera The sclera is the white outer coating of the eye made of tough fibrin connective tissue which gives the eye its shape and helps to protect the delicate inner parts. In children, it is thinner and shows some of the inlying blueness.
	Scleroderma Scleroderma is a rare disease, chronic disease characterized by excessive deposits of collagen. Progressive systemic scleroderma or systemic sclerosis, the generalised type of the disease, can be fatal. The localised type of the disease tends not to be fatal. The term "localised, generalised scleroderma" can be used to describe cases where the disease covers a large area of the body - typically more than 40%.
	Scleroderma citrinum Scleroderma citrinum is the most common species of Earth Ball in the United Kingdom and occurs widely in woods, heathland and in short grass from Autumn to Winter. Scleroderma citrinum may be referred to as Scleroderma aurantium in older texts. Earth Balls are superficially similar to, and considered look-alikes of the edible Puffball, but whereas the Puff Ball has a single opening on top through which the spores are dispersed, the Earth Ball just breaks up to release the spores.
	Scoliosis Scoliosis is a condition that involves complex lateral and rotational curvature and deformity of the vertebral column. It is typically classified as congenital, idiopathic or as having developed as a secondary symptom of another condition, such as cerebral palsy or spinal muscular atrophy.
	Scolopacidae The Scolopacidae are a large family of waders,. The majority of species eat small invertebrates picked out of the mud or soil. Different lengths of beak enable different species to feed in the same habitat, particularly on the coast, without direct competition for food. Many of the smaller species found in coastal habitats, particularly but not exclusively the calidrids, are often named as "Sandpipers", but this term does not have a strict meaning, since the Upland Sandpiper is a grassland species.
	Scolymus Scolymus is a genus of three species of flowering plants in the family Asteraceae, native to the Mediterranean region and western Europe north to northwestern France. Like other related plants also called thistles, they are annual or perennial herbaceous plants with spiny leaves and stems.
	Scolymus hispanicus Scolymus hispanicus is a flowering plant in the genus Scolymus in the family Asteraceae, native to southern and western Europe, north to northwestern France. It is a herbaceous Biennial plant or short-lived perennial plant growing to 80 cm tall, with spiny stems and leaves.
	Scombridae Scombridae is the family of the mackerels, tunas, and bonitos, and thus includes many of the most important and familiar food fishes. The family consists of about 55 species in 15 genera. Scombrids have two dorsal fins, each of which can be depressed into grooves in the back, and a series of Fish anatomys between the rear dorsal fin and anal fin and the tail.
	Scopes Trial The "Scopes Trial" pitted against each other lawyers William Jennings Bryan and Clarence Darrow in an United States court case that tested a law passed on March 13, 1925, which forbade the teaching, in any state-funded educational establishment in Tennessee, of "any theory that denies the story of the Creation of man as taught in the Bible, and to teach instead that man has descended from a lower order of animals." This is often interpreted as meaning that the law fo
	Scopolamine Scopolamine, also known as hyoscine, is a tropane alkaloid Medication obtained from plants of the family Solanaceae , such as henbane or jimson weed . It is part of the secondary metabolites of plants. It acts as a competitive antagonist at muscarinic acetylcholine receptors; it is thus classified as an anticholinergic.
	Scopolia Scopolia is a genus of plants in the Solanaceae. Scopolia carniolica is a creeping perennial, with light green leaves and reddish flowers. It is sometimes cultivated as a decorative plant. Scopolia's extract is used in at least one commercial stomach remedy.
	Scops owl Scops owls are a genus Otus of typical owlss.
	Scorched Scorched was an independent film with "cult-success" and enjoyed several airtimes on Comedy Central thanks to its original sense of humor.
	Scoreboard A scoreboard is a large board for publicly displaying the score in a game or match. Most levels of sport from high school and above use at least one scoreboard for keeping score, measuring time, and displaying statistics. Scoreboards in the past used a mechanical clock and numeral cards to display the score.
	Scoria Scoria is the vesicular ejecta of mafic to intermediate magmas such as basalt and andesite. Scoria is generally a dark brownish black or red. Its specific gravity ranges from 0.8 to 2.1. Scoria is generally thought of as the mafic version of pumice. It forms when magma rich in dissolved gases is vented.
	Scorpion A scorpion is an invertebrate animal with eight legs, belonging to the order Scorpiones in the class Arachnida.
	Scorpionfish The scorpionfish or are a family of mostly ocean fish that includes many of the world's most venomous species. The family is a large one, with hundreds of members. They are widespread in tropical and temperate seas, but mostly found in the Indo-Pacific area. Some types, such as the lionfish, are attractive as well as dangerous, and highly desired for aquaria.
	Scorpius Scorpius is one of the constellations of the zodiac. In Western Astrology it is known as "Scorpio". It lies between Libra to the west and Sagittarius to the east. It is a large constellation located in the southern hemisphere near the center of the Milky Way.
	Scorzonera Scorzonera is a genus of the sunflower family, subfamily Lactucoideae, tribe Lactuceae, subtribe Scorzonerinae. It comprises about 100 species, the best-known of which is the edible black salsify. Scorzonera is recorded as a food plant for the larva of Nutmeg, a species of moth.
	Scotch whisky Scotch whisky is whisky made in Scotland. In the English language-speaking world, it is often referred to as "Scotch ", except in Scotland, where the term whisky is most often sufficient. Scotch whisky is divided into four distinct categories: single malt Scotch, #Vatted / Blended malt , #Blended, and #Single grain.
	Scoter The scoters are stocky seaducks in the genus Melanitta. The drakes are mostly black and have swollen bills. Females are brown. They breed in the far north of Europe, Asia and North America, and bird migration further south in temperate zones of those continents.
	Scotland Scotland is a nation in northwest Europe and one of the constituent country Country of the United Kingdom. It occupies the northern third of the island of Great Britain and shares a land border to the south with England. It is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the southwest.
	Scotland Yard New Scotland Yard, often referred to simply as Scotland Yard or The Yard, is the headquarters of the Metropolitan Police Service, responsible for police Greater London . New Scotland Yard occupies a 20-storey office block along Broadway and Victoria Street in Westminster, about 450 metres away from the Palace of Westminster.
	Scotopic vision Scotopic vision is the monochromatic vision of the eye in dim light. Since cone cells are nonfunctional in low light, scotopic vision is produced exclusively through rod cells so therefore there is no colour perception. Scotopic vision occurs at luminance levels of 10-2 to 10-6 cd/mē.
	Scots Pine The Scots Pine is a common tree ranging from Great Britain and Spain east to eastern Siberia and the Caucasus Mountains, and as far north as Lapland. In the north of its range, it occurs from sea level to 1000 m, while in the south of its range, it is a high altitude mountain tree, growing at 1200-2500 m altitude.
	Scottish Deerhound akcgroup = Hound | akcstd = altname = Deerhound | image = Deerhound 305.jpg | ankcgroup = Group 4 | ankcstd = ckcgroup = Group 2 - Hounds | ckcstd = country = Scotland | fcigroup = 10 | fcinum = 164 | fcisection = 2 | fcistd = kcukgroup = Hound | kcukstd = name = Scottish Deerhound | nzkcgroup = Hounds