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» Science Essays and Papers
Aspirin A Brief History
<view this essay>.... continues to be the subject of extensive medical research and has gained recognition for life-saving properties as a cardiac care regime for millions of people. Bayer remains at the forefront as the major marketer of aspirin worldwide and is supporting research aimed at discovering new applications for its wonder drug, possibly helping to prevent everything from heart attacks to certain types of cancer and even Alzheimer's disease.
Aspirin: from willow tree to Nobel Prize
Aspirin's active ingredient, acetylsalicylic acid (ASA), is the commercially synthesized form of a naturally occurring compound whose uses can be traced back 2,000 years. The compoun .....
Number of words: 607 | Number of pages: 3 |
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Electronic Commerce
<view this essay>.... such as the constant security threat to consumers from the theft of their credit card numbers and personal details by hackers and the inability of consumers to feel and examine the products. These advantages and disadvantages will probably result in several major changes in the way business is conducted in the future.
offers many advantages to both consumers and firms. It is very convenient for consumers as there are no shop hours and orders can be placed any time of the day. also allows companies to have much larger markets, once you are on the Internet you are everywhere. A customer in Japan can buy exactly what a customer in the UK buys from the same .....
Number of words: 691 | Number of pages: 3 |
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Dangers And Destructions Of Floods And Hurricanes
<view this essay>.... is usually
very short. It depends on how high the tide is which goes up and down twice
a day. When the velocities of hurricane winds become severe the height of
the waves become three or more feet higher than the previous high tide.
Coastal floods can be caused by a number of things. Coastal floods can be
caused by runoff, hurricane waves, tsunami (seismic sea waves), and
hurricane rains. Coastal flooding can not only take part on oceans but it
can also take part on lakes. Coastal flooding can be a great danger because
coast lines are very densely populated areas. In the United States in the
early 1990's 50% of the population was on a coastal county.1 Although .....
Number of words: 1359 | Number of pages: 5 |
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Fetal Alcohol Syndrome
<view this essay>.... social services in general, as well as individual losses. FAS is considered the most common known cause of mental retardation in the Western World. For a positive diagnosis of FAS, in addition to a history of maternal alcohol use during pregnancy, each of the following three categories must be present:
1. slow growth before and after birth including weight, height and/or head circumference,
2. facial dysmorphology such as thin upper lip, flattened philtrum, and/or short openings between eyelids, and
3. damage to the central nervous system.
Diagnosis can be difficult because many of the critical diagnostic features change with age. It is most difficult .....
Number of words: 589 | Number of pages: 3 |
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Autism 3
<view this essay>.... says Tamara Robinson in an interview.
Autism is “a syndrome of childhood characterized by a lack of social relationship, a lack of communication abilities, persistent compulsive, rituals, and resistance to change” (Paluszny 1). For centuries, medical professionals have tried to understand autism and its origin. The above example shows only a few examples of autistic behavior.
The history of autism extends, as far back as the late sixteenth century; however, during that time it was not identified as this illness. Here is a statement from before the discovery of the illness:
In 1799, a boy about eleven years of age was found naked in the woods of
Averyron .....
Number of words: 1709 | Number of pages: 7 |
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The Element Cesium
<view this essay>.... found to have trace amounts of isolatable Cesium compounds. Once the knowledge of Cesium compounds was discovered, the study of it’s chemical properties was initiated.
Perhaps the most dynamic chemical reaction of Cesium occurs when it is exposed to oxygen. This exposure causes oxides to form, where even the heat from oxidation is enough to melt and ignite this metal. Another major reaction of Cesium occurs with water and ice. Ice with a temperature as low as -177 degrees Fahrenheit can trigger a vigorous reaction. Because Cesium reacts so violently with organic compounds, it is considered the most reactive of Alkali metals. There are four principle compou .....
Number of words: 452 | Number of pages: 2 |
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Spiders
<view this essay>.... Arachnida, which takes
its name from the mythological character Arachne, a peasant girl who challenged
the weaving skill of the goddess Athena. Arachne equaled Athena's skill in a
contest, and in response to Athena's anger she hanged herself. In belated
remorse Athena changed the body of Arachne into a spider and allowed her to
retain her weaving skill.
My first selection is the brown recluse spider. The brown recluse spider
(Loxosceles reclusa) is a poisonous spider in in the United States. Its mostly
found from Kansas and Missouri, south to Texas, and west to California. Found
in sheltered places indoors and outdoors it is about 10 mm (.4 in.) long .....
Number of words: 601 | Number of pages: 3 |
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Carpal Tunnel Syndrome
<view this essay>.... They cause swelling of tissues in the hand, resulting in pressure on the median nerve. c)Work activities and hobbies, such as typing, needle working, knitting, cashier, and any hand tools or instruments that puts pressure on the base of the palm.
Symptoms
Symptoms that may be involved with are as follows:
pain, tingling, and numbness in the thumb, index, middle, and ring fingers tingling in the entire hand pain that shoots from the hand up the arm as far as the shoulder a swollen feeling in your fingers-even though they may not be visibly swollen
You may notice that:
your symptoms are worse at night
your hands feel weak in the morning
you drop obj .....
Number of words: 459 | Number of pages: 2 |
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