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» Science Essays and Papers
Genetic Engineering, History And Future
<view this essay>.... future. Spreading fear by misinterpretation of facts, they promote their hidden agendas in the halls of the United States congress. Genetic engineering is a safe and powerful tool that will yield unprecedented results, specifically in the field of medicine. It will usher in a world where gene defects, bacterial disease, and even aging are a thing of the past. By understanding genetic engineering and its history, discovering its possibilities, and answering the moral and safety questions it brings forth, the blanket of fear covering this remarkable technical miracle can be lifted.
The first step to understanding genetic engineering, and embracing its possibi .....
Number of words: 2972 | Number of pages: 11 |
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Chromatography
<view this essay>.... If the sample solution is in contact with a second solid or liquid phase, the different solutes will interact with the other phase to differing degrees due to differences in adsorption, ionic strength, polarity or size. These differences allow the mixture components to be separated from each other by using these differences to determine the transit time of the solutes through a column.
Simple liquid consists of a column with a fritted bottom that holds a stationary phase in equilibrium with a solvent. Typical stationary phases (and their interactions with solutes) are: solids (adsorption), ionic groups on a resin (ion-exchange), liquids on an inert solid su .....
Number of words: 666 | Number of pages: 3 |
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Environmental Satire
<view this essay>.... The greatest discovery of all time. We must not forget about the men and women who spend hours on end getting in and out of those little white suits and rubber gloves to dispose our radio active waste. It is not so much that we recognize the great discoveries and creations we have made, but more that we recognize all we do as humans to ensure our plentiful and gluttonous lifestyles.
Lets face it. We as humans waste countless hours of our lives worrying about the future. Whether it’s asteroids or Y2K, it’s always something. It is said that in the future, with global warming, temperatures outdoors will be too hot to survive in. But what is .....
Number of words: 658 | Number of pages: 3 |
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Attention Deficit Disorder
<view this essay>.... and nine symptoms of hyperactivity/impulsivity:
1. An individual experiencing at least six of the following characteristics defines ADHD – Inattentive type:
a. Fails to give close attention to details or makes careless mistakes
b. Difficulty sustaining attention
c. Does not appear to listen
d. Struggles to follow through on instructions
e. Difficulty with organization
f. Avoids or dislikes requiring sustained mental effort
g. Often loses things necessary for tasks
h. Easily distracted
i. Forgetful in daily activities
2. An individual experiencing six of the following characteristics defines ADHD – hyperactive/impulsive type:
a. Fidgets wit .....
Number of words: 703 | Number of pages: 3 |
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Depression 5
<view this essay>.... and activities. Depressed individuals tend to feel helpless and hopeless, and blame themselves for these feelings. In some cases thoughts of death and suicide may come into play, depending on the seriousness of the depression. People who are depressed may find it difficult and become overwhelmed by simple daily tasks, which is why sometimes they withdraw from daily activities altogether. They may even withdraw from families and friends.
Rod Steiger an Academy Award-winning actor who had starring roles in over 72 films is clinically depressed. During a time when Rod was down he wrote a letter to his wife and son:
I want to die; I don’t want to move. I have .....
Number of words: 2664 | Number of pages: 10 |
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Ground Water In Ontario
<view this essay>.... consumption. In his article, Water from the Ground, Peter Gorrie writes that Canada uses "an estimated 1.5 billion cubic meters of [water] each year", (Gorrie 71). And while Canadians are for the most part are unaware of how much water they consume, they are even less aware of its presence around them. For water is an immense natural resource that rests not only around Canadians, but beneath their feet as well.
In no region is this more pervasive than in the province of Ontario. Ontarians walk above groundwater supplies everyday, without the slightest notion of the extent to which they rely on this over-used and exploited natural resource. Canada as a whole .....
Number of words: 1970 | Number of pages: 8 |
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Computers
<view this essay>.... have enhanced modern communication systems. They are essential tools in almost every field of research and applied technology, from constructing models of the universe to producing tomorrow's weather reports, and their use has in itself opened up new areas of conjecture. Database services and computer networks make available a great variety of information sources. The same advanced techniques also make possible invasions of privacy and of restricted information sources, but computer crime has become one of the many risks that society must face if it would enjoy the benefits of modern technology.
Imagine a world without . That would mean no proper means of c .....
Number of words: 2363 | Number of pages: 9 |
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Coconino Sandstone
<view this essay>.... noticeable formations in the Grand Canyon. Very large dunes are visible from great distances throughout the area. Ironically, few geologists, except for McKee and Reiche, have studied the Coconino. The early work of these two, however, correctly identified the eolian origin of the Coconino. These Sahara-like dunes were part of an enormous desert that once extended north into Montana.
During the last ten years, a number of studies on modern and ancient sand seas, or ergs, have increased greatly our understanding of eolian bedform dynamics. Additionally, we can describe trace fossils in the Coconino and relate them to the physical environments of deposition. .....
Number of words: 1125 | Number of pages: 5 |
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