Joint Facts


Body joints are places where bones meet. The skull is not one bone, but 22 separate bones bound tightly together with fibers so that they cannot move. Most body joints (apart from fixed joints like the skull’s fibrous joints) let bones move, but different kinds of joint let them move in different ways. Hinge joints,…
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How to Dress a Bed


If your budget were unlimited, you could change your bed linen to suit your mood, the way we change our clothes. What a luxury to slide between luxurious silk sheets one night and crisp white cotton the next, followed by country florals, fleecy tartans, faded stripes and fresh, bright ginghams on each succeeding day. However,…
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Head Injury


Most childhood bumps on the head do not cause significant damage, although many result in a lump or “goose egg,” which may alarm parents when it appears soon after the accident. It is localized collection of blood, called a hematoma, and is not unusual because of the abundant blood supply in the scalp. The lump…
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Sunday School Lesson on Deborah the Judge


A. Women in the Old Testament The Old Testament is treated by some as little more than a book of fantastic children’s stories. To do this is to miss the rich treasury of insights into the lives of men and women who struggled in their relationships with God. Sometimes they are heroically successful, and we…
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Bible Study Zechariah


Author: Zechariah Date: Between 520 B.C. and 500 B.C. Zechariah preached to the restored community at the same time that Haggai did. The people had returned home from exile only to find an enormous task confronting them. There were homes to build, walls to erect, fields to plow, forests to clear, roads to build, and…
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Hamster Care


Like the guinea pig, the hamster is a small rodent. Their care and problems are similar but here are some differences. The hamster is a nocturnal and solitary animal with a life-span of 1-2 years. Two or more will always fight, regardless of sex. The most common is the golden hamster originating in Syria. The…
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Exercise Facts


When you exercise, your muscles have to work much harder than normal, so need much more oxygen and glucose (a kind of sugar) from the blood. To boost oxygen, your heart beats twice as fast and pumps twice as much blood, and your lungs take in ten times more air with each breath. To boost…
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Planting Sweet Potatoes


The sweet potato is very nutritious and is an important food in many tropical regions of the world. It is rich in vitamin C and contains more vitamin A than most other vegetables. An acre of sweet potatoes requires 10,000 to 12,000 plants but 100 to 200 plants will produce an ample supply for the…
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Dwarfism


What is Dwarfism? Dwarfism means a child is abnormally short compared to contemporaries of the same age and racial origin. Abnormal shortness is not always associated with a defect of the pituitary mechanism, for it may be related to many other fairly common medical ailments. For example, malnutrition could prevent normal physical development. The food…
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Allergic Conjunctivitis


What is Allergic Conjunctivitis? The conjunctiva (the lining of the eyeball and lids) and cornea (the window of the eye) have their own set of problems. Many are common, and need prompt attention to avoid complications and further discomfort. Inflammation of the eye is very common. The eyes, either singly or together, become irritated or…
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Pet Facts


There are over 500 breeds of domestic dog. All are descended from the wolves first tamed 12,000 years ago to help humans hunt. Dogs have kept some wolflike traits such as guarding territory and hiding bones. Many pet dogs were originally working dogs. Collies were sheepdogs. Terriers, setters, pointers and retrievers all get their names…
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Bible Study Psalms


Author: Principally David, but also others Date: Tenth Century B.C. and later Psalms is probably the best-known and best-loved book of the Bible. It has provided more personal comfort, imagery, hymns, and poems than any other book that has ever been printed. The Psalms were written over a long period of time, perhaps 600 years….
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Life Facts


Life is only known to exist on Earth, but in 1986 NASA found what they thought might be fossils of microscopic living things in a rock from Mars. Life on Earth probably began 3.8 billion years ago. The first life forms were probably bacteria which lived in very hot water around underwater volcanoes. Most scientists…
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Plaster Wall Repair


Plasterboard (gypsum board) is an immensely versatile material for lining walls and ceilings, as it provides a smooth surface for any finish and also has useful sound-deadening and fireproofing properties. The one thing it does not do very well is to resist impacts, and resulting holes cannot simply be patched with filler (spackle)because the board’s…
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Type of Houseplant


By using houseplants as ornaments, focal points and as integrated decorations in the home, you will derive even more pleasure from your plants than you would by regarding them merely as botanical specimens. Although plants are constantly changing — they grow, die, or simply alter their shape — this very lack of stability can be…
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Mating Facts


In some species of Australian marsupial mouse, the male dies after a two-week mating period. A beaver stays with its mate for many years, producing a new litter each year. A male hedgehog courts a female by circling her, sometimes wearing a deep groove in the soil, until she accepts him. Male Californian sea-lions bark…
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Diabetes Insipidus


What is Diabetes Insipidus? Diabetis insipidus is caused when the posterior part of the pituitary gland fails to secrete adequate amounts of the antidiuretic hormone (or ADH) arginine vasopressin, which helps to control loss of water. It was first described as far back as 1794 when Frank spoke of it as a “long continued abnormality…
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Gall Bladder Stones


What is a Gall Bladder Stone? Bladder stones nearly always occur in males, and usually as a complication of some other disease, commonly a persisting infection. There may be residual urine, which means the bladder does not empty completely on voiding, and this gives germs the opportunity to set up a long-standing infection. The gall…
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Ecosystem Facts


An ecosystem is a community of living things interacting with each other and their surroundings. An ecosystem can be anything from a piece of rotting wood to a huge swamp. In every ecosystem each organism depends on the others. When vegetation colonizes an area, the first plants to grow there are small and simple, such…
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