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How do Detergents Work?
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What are the Symptoms of Gout?
This is a disorder of the chemistry of the body characterized by an excess of uric acid salts in the blood and manifesting itself typically in attacks of joint inflammation associated with the deposition therein of sodium biurate crystals and also...
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Team Building Games
Divide your participants into two groups. Each of these teams in turn breaks up into two groups, one at one end of the room, the other at the opposite end. Give each of these four groups a knife. Place two ice cubes on a tray. At the signal "Go"...
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How to Train Your Dachshund
As soon as you get your puppy you can begin to housebreak him but remember that you can't expect too much of him until he is five months old or so. A baby puppy just cannot control himself, so it is best to give him an opportunity to relieve himself...
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How is Asthma Diagnosed?
Asthma is diagnosed in three ways. First, from the story given by the parents of recurrent cough, wheeze or multiple episodes of so-called bronchitis. Secondly by observations made on examination of the child and thirdly by a number of tests. Most...
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How Does Insulation Work?
Insulating your home is crucial for maintaining comfortable temperatures, reducing energy consumption, and lowering heating and cooling costs. It also minimizes noise pollution and decreases the carbon footprint by lessening the reliance on climate control systems.
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Types of Snakes
Most snakes are like one another in general appearance, but vary a great deal in size and color markings. They move by a wriggling movement which presses the horny plates of the belly against the earth and so thrusts the animal forward. Snakes...
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Pottery for Beginners
Clay is a wonderful substance and it is both plentiful and cheap. It is everywhere in the world, ready to be made into beautiful and useful articles. Small children have always loved to play with it. Man has fashioned utensils from clay from the beginning and probably always will, in spite of...
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Fleas: Understanding Their Biology and Impact
Fleas are wingless parasitic insects, feeding on the blood of warm-blooded animals and potentially spreading diseases like bubonic plague. There are around 11,000 species globally, with about 240 found in the U.S.
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Things to Know When Buying a Pedigree Dog
You have to watch your language when you are in the company of "dog" people. If you refer to a blue-blooded canine as a "thoroughbred" or a "pedigreed" dog, that marks you as an outsider.
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Indigestion Symptoms
Indigestion falls into two categories not caused by structural changes: atonic indigestion from low gastric juice production, and acid indigestion due to excessive secretion. These functional issues are common, differing from organic conditions like gastritis.
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Want To Start a Hobby? Here's a List!
Hobbies are spare-time activities. They cover a wide range of subjects but generally fall into one of two categories: collecting (such items as stamps or rocks) and creating (such activities as needlework and model making). Other types of hobbies...
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How to Maintain Wood Floors
All wood floors should be given some kind of finish. The correct surfacing of a floor will protect the fiber of the wood, improve the appearance, and make it easier to clean.
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Domesticating Wild Animals
Many wild animals, if captured very young, can be domesticated and they make excellent pets. Few of these have been given the careful study accorded the more common pets, and consequently less is known about their care and training or the diseases...
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Methods of Mural Painting
Permanence and suitability to architectural surroundings are chief factors in the mural painter's choice of the medium to be used for a particular work. This choice will otherwise be dictated by the style of painting which the artist finds most...
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Batik and Tie Dye Techniques
Batik involves decorating fabric using wax and dyes; the wax prevents dye from reaching certain areas. Originally, "Batik" referred to tattooing and later evolved to mean writing or drawing, used across Polynesian and Malay cultures.
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Effects of Dust
Dust is composed of tiny particles of many kinds of solid materials. The particles have diameters of less than 0.0025 millimeters (0.0001 inches); a million typical dust particles would have a total volume equal to about one grain of sand. The...
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Fats and Their Uses
Fats are rich energy-giving foods, usually animal in origin. They remain solid at room temperature.
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How Is Cheese Made?
Cheese is a nutritious milk product that is usually made from curds that have been concentrated and ripened. It is high in protein and is also an important source of calcium and vitamin A. Cheese is generally richer than milk in butter-fat, except...
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How is paint made?
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Dyes and Dyeing
There are many theories to explain how dyes become attached to substances. One widely held theory states that the dye and the material being treated combine chemically. Another theory states that the dye is only adsorbed onto the surface of the material. Many chemists now believe that dyes become...
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What is Academic Essay Writing?
Works that resemble the modern essay have been written since ancient times. The speeches of Cicero, the dialogues of Plato, and the short treatises of Aristotle might all be called essays. The term "essay," however, was not introduced to literature...
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How To Draw Caricatures
Caricature in the pictorial arts, are a representation, ordinarily of a person or a type of person, made unliteral (and usually grotesque or ludicrous) by the exaggeration of certain features. The term, derived from Italian caricatura ("loading,"...
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Who Wants to Be an Astronaut?
Astronauts is a term that means "sailors of the stars". Until the beginning of the space age in the mid-20th century the word belonged to the realm of science fiction. However, with the launching of the first artificial satellite in 1957 and the...
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How Bricks and Tiles Are Made
Bricks are the oldest man-made building material. Early bricks were made of mud, using straw as a binder, and dried in the sun. They were not fired in a kiln. Bricks of this sort were used to build houses in Mesopotamia more than 6,000 years ago....
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Aquarium Fish Tank
An aquarium's pump-and-filter system aerates the tank and purifies water, cycling it back. Beginners should start with easy, low-cost fish like guppies and goldfish before moving to exotic species like jewelfish and tetras.
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How Is Paper Made?
Paper is made of millions of tiny fibers. The fibers are cellulose, a substance from the cell walls of plants. The cellulose used in paper today comes mostly from trees. When the bark of a tree log has been stripped off, the wood is ready to be...
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What is Factoring?
Factoring is a service involving the purchase by a financial organization, called a factor, of receivables owed to manufacturers and distributors by their customers, with the factor assuming full credit and collection responsibilities. Those...
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Historical Development of Insurance
Marine insurance is the oldest form of insurance known, dating back to ancient Babylonia. And life and health insurance is traced to ancient Greece and Rome.
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The Art of Casting: Spinning and Spin-Casting
Spinning is the art of casting with an open-faced, fixed-spool reel. This reel hangs under the rod grip to balance the tackle for easy casting. Because the line uncoils from the fixed spool, less friction is provided than with revolving-spool reels,...
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The History Of Typography
Typography is the art of printing by type, and the art of choosing type faces which are used in the production newspapers, books, magazines, leaflets and webpages. There are virtually no rules in typography, which suggests that it is a true art, but some conventions of the earliest printers still...
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History of Cheese Making
Cheese has been known to man for almost 3,500 years as a very nourishing form of food which is easy to store and carry about.
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History of Puppetry
Puppet shows were a popular form of entertainment in some of the ancient Mediterranean civilizations, including those of Egypt, Greece, and Rome. After the fall of the Roman Empire, theatrical traditions were continued in Europe by puppet shows....
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How Is Rope Made?
Men have always needed rope for the rigging of ships, for hauling things, and for tying bundles. So rope-making is one of the oldest industries in existence.
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Honey, Bees and Beekeeping
Honey is the thick sweet liquid made by honeybees from the nectar they collect from flowers. Honey is stored by bees in their hives and is their major source of food, particularly during the winter. It is estimated that the average honeybee colony...
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British Army Guards
Guards are the regiments of the British Army that form the Household Brigade. They are the personal bodyguard of the Sovereign. The Household Brigade consists of the Household Cavalry and the Guards Division. The Guards regiments were originally...
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When was the Telephone Invented?
The telephone, or the germ of the idea, goes back to the string telephone every child has played with, in which a tightly held string is stretched between two diaphragms. The scientist Robert Hooke in 1667 first demonstrated that the voice could be...
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Man Made Marvel - The Sydney Opera House
The Sydney Opera House is located in Sydney, Australia. Situated on Bennelong Point in Sydney Harbour, close to the older and equally famous Sydney Harbour Bridge. The building and its surroundings form a globally recognised and iconic Australian...
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France after the First World War
World War I broke out in 1914. France suffered for several years under a succession of weak premiers. However, in 1917, Georges Clemenceau became premier and led France to victory over Germany. Victory came dearly: The most destructive battles had...
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Some Common Phrases and their Nautical Origins
Nautical terms and phrases are specialized vocabulary used in the maritime world. They encompass a range of terms related to ships, navigation, sailing, and the general operation of vessels.