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» Science Essays and Papers
Dvd
<view this essay>.... over six times that of a CD and the reason for this is that data is written to DVD with a smaller laser than a CD, which makes it possible to store data more efficiently. The storage capacity of DVD is so great that over 95% of all feature length films can be stored with room to spare, and also fast data access enables you to read from DVD the same as a hard-disk drive. The best thing of all about the DVD-ROM drive is the fact that it is backward compatible with standard CD-ROM and CD audio discs.
DVD-RAM
DVD-RAM stands for Digital Versatile Disc - Random Access Memory, and is the approved format by the Official DVD Forum. DVD-RAM are dual sided and c .....
Number of words: 511 | Number of pages: 2 |
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Genetics Engineering
<view this essay>.... code of DNA would prove to be invaluable. This is
the reason the Human Genome Project has been started. Scientist around the world
are using super computers to crack the code. This 15 year project is predicted
to end by the year 2005(Dewitt, 1994). That is only 10 years from now. What does
that mean to the average Joe?
Well, today we already live with genetically engineered items. The FDA
has approved bioengineered tomatoes that ripen without rotting(Dewitt, 1994).
Entire herds of cattle are now being injected with a growth hormone(BST) so that
they will produce more milk than ordinary cattle(Dewitt, 1994). Also drought
resistance grass that needs no m .....
Number of words: 655 | Number of pages: 3 |
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Awakenings And Tourette Syndro
<view this essay>.... normal and seemingly healthy ten year old boy who is afflicted with the "sleeping sickness" disease that reached epidemic proportions during that specific era. Like many others who contracted this illness, Leonard and those like him were often misdiagnosed and eventually placed in mental hospital facilities because of their apparent vegetative state. Doctors who worked on the earlier cases believed the patients mental faculties to have been destroyed by the illness.
Dr. Sayer (Dr. Oliver Sacks in real life) discovers that certain vegetative patients reacted to outside stimuli, such as a pattern on a floor, a tossed ball, or a television with a maladjusted vert .....
Number of words: 991 | Number of pages: 4 |
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Dna And Forensics
<view this essay>.... to verify the confessions by a seventeen year old porter regarding a double rape-murder case. As it turns out, this boy proved to be "the first murderer to be cleared as a result of DNA fingerprinting". (Joe Mickel and John F. Fischer, 1998)
DNA can be found in such things as blood and semen. It can also be found in such things as tissue found beneath the fingernails of a victim after a struggle, it can even be found in saliva cells left on a mouthpiece of a telephone after a conversation. DNA is everywhere in a persons body, and can not be replicated. It is unique to every person, but all blood relatives have similar qualities that make them identifiabl .....
Number of words: 666 | Number of pages: 3 |
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Acid Rain 9
<view this essay>.... sources for nitric acid (about 40% of the total), While power generating plants and industrial commercial and residential fuel combustion together contribute most of the rest. In the air, the sulphur dioxide and nitrogen oxides can be transformed into sulphuric acid and nitric acid, and air currents can send them thousands of kilometers from the source. When the acids fall on to the earth in any way or form it will have a large impact on the growth or the preservation of certain wildlife.
Areas in Ontario mainly southern regions that are near the Great Lakes, such substances as limestone or other known antacids can neutralize acids entering the body of wat .....
Number of words: 1305 | Number of pages: 5 |
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The Origin Of Life
<view this essay>.... our beliefs, we must realize that all our presumptions are based on theory only. Theory can be described as a general principle or explanation of presumed fact and offered opinion, which may or may not possibly of positively true.
In the United States, laws have been passed several different ways constituting whether Darwin's theory of "survival of the fittest" can be taught in schools, versus religious belief of Divine creation. From 1920 to 1986 the argument continues in the courtroom, and many, many books have been written debating the issue.
Let us look at the three theories in depth. The evolutionist theory made known by Charles Darwin, states that .....
Number of words: 1419 | Number of pages: 6 |
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Gulf War Syndrome
<view this essay>.... still no definite definition. Many scientists have different definitions of the syndrome. For example, Gunjan Sinja states that scientist Garth Nicolson, chairman of tumor biology at the University of Texas M.D. Anderson Cancer Center in Houston, defines the syndrome as Mycoplasma fermentans. Sinha also stated that Mycoplasma fermentan was “the most poorly studied bug on the list (Sinha 70).” Nicolson has found that the M. fermentans is nested inside the cells of almost half of all cases. Sinha defines Mycoplasmas as “the smallest self-replicating life form that latch onto white bloodcells, which are part of the body’s disease defenses .....
Number of words: 3627 | Number of pages: 14 |
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Scenes Of Nature
<view this essay>.... are absolutely
breathtaking. The clouds can form many different and interesting shapes.
At night the sky becomes enchanting and glorious. When the stars are out
the sky is undeniably exquisite. The skys deep shades range from blue at
dawn to deep oranges and purple at dusk. The sky scenes are genuinely
picturesque.
The forest changes it scenery in seasons instead of day and night
like the sky. In the summer the forest is filled with majestic shades of
green. The fall brings colorful shades of oranges, reds, and yellows. The
winter deprives the forest of its colorful splendor, but brings a different
type of beauty all together. In the spring all of .....
Number of words: 260 | Number of pages: 1 |
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