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Science and Nature Term Papers and Reports |
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Dietary Fibre
4095 Words - 15 Pages.... is given to the structure of the different forms of and how this affects the physical and chemical properties of each type resulting in different advantages and disadvantages to human health. The way in which fibre helps prevent disease is also discussed extensively in order to prove that clinical nutritionists are right to encourage intake of in increased amounts with caution to the fact that overindulgence may cause adverse effects.
Lastly the importance of high fibre foods in conjunction with a healthy lifestyle is presented as the 'formula' for a healthy body and avoidance of fibre depleted foods, a fact which is sadly abundant nowadays, is also mentioned.
Since ancien ....
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Dsl Should Be The Standard For Telephone Lines
321 Words - 2 Pages.... all with one phone line.
Another advantage of greater bandwidth is faster internet connections. On a normal analog phone line, the fastest internet connection available is 56 kb/s (kilobits per second). With DSL, the normal speed is 384 kb/s with the max at 1.1 Mb/s (megabits per second).
With DSL, one's computer could be online at all times. There would be no busy signals or dial-in hassles. If someone wanted to look something up on the internet real quick or check their mail, all they would have to do is start their internet browser or email client and they would be set.
DSL wouldn't only make our internet experience more enjoyable, but it would also improve the quality ....
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Acupuncture 2
475 Words - 2 Pages.... of
medical problems. It is used for ear, nose, and throat disorders,
respiratory disorders, Gastrointestinal disorders, Eye disorders, and
Neurological and Muscular disorders. The needles used in
acupuncture are usually only inserted from 1/4 to 1 inch deep into
the skin. There is usually no pain in acupuncture. Usually if any
pain it is only mild. Most of the needles now used in acupuncture
are disposable needles. Acupuncture does not always only involve
needles. They may also use other methods such as moxibustion,
cupping, electronic stimulation, magneotherapy and various types
of massage. There are also many different styles of acupuncture
prac ....
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Cryogenic
3029 Words - 12 Pages.... want to believe.
Once you have been declared dead, doctors or morticians will work to keep you cool. They inject you with heparin to prevent blood clots, hook you up to a heart-lung machine to keep oxygen and blood moving through your system artificially, and get you to the cryonics center as quickly as possible. The optimum time from death to arrival at the center is less than an hour. Some patients have arrived as late as six hours after death.
At the center, your body is put on a table in the perfusion room. A team of three or four technicians work to drain the blood out of your body and inject a cryoprotective agent to get as much moisture as possible out of the t ....
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Arsenic
1241 Words - 5 Pages.... million. and some compounds have been known for a long time. Aristotle thought that was a kind of sulfur. The Latin word um means yellow orpiment (a pigment containing and sulfur). While knowledge of dates back to ancient Greece, it wasn't until the Middle Ages that its poisonous characteristics were described. It was identified by Albert Magnus about 1250, and he described the way to manufacture it. Since then the method has scarcely changed: the mineral arsenopyrite is heated and decomposes with the liberation of gas. The gas can be condensed on a cold surface. Metallic was first produced in the 17th century by heating with potash and soap.
General Properties ....
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Comets
2266 Words - 9 Pages.... of dust and other solids. The surface of the nucleus is best described as a black crust. Comet nuclei can range from 1 kilometer to about 50 kilometers across. The black crust on the surface of the nuclei helps the comet to absorb heat, which causes some of the ices under the crust to turn to a gas. Pressure builds up underneath the crust and causes the surface to bubble up in some places. Eventually, the weak spots of the crust break open from the pressure, and the gas shoots outward; this is referred to by astronomers as a jet. Dust that had been mixed in with the gas is also pushed out, and as more jets appear, a small gas and dust shell forms around the nucleus, and this ....
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Lung Cancer 2
1407 Words - 6 Pages.... the lymph nodes and into the blood.
Large - cell carcinoma is a tumor that is fairly larger than other types. They don’t form keratin but they are common in smokers. They develop in the central or peripheral part of the lungs and the lymph glands.
Small cell carcinoma tumors are small and fragile. They are divided into groups by their shapes. The term “oat cell carcinoma” is used to develop in smokers and usually in the central part of the lung. They spread by the lymph glands and into the blood stream early. This type of tumors can only be seen through an electron microscope on high magnification. A rare type of lung cancer, which develops from ho ....
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The Science Of Cloning
1666 Words - 7 Pages.... cloning research is a major next step in
scientific development. It is easy to understand why people fear the
unknown, but it is hard to figure out why they can't take a step back and
realize that cloning is basically an extension of current and accepted prac
tices. Also, the general public's fear shows up in the nation's
congress and even the president. Who knows the real opinions of the
individuals in congress, but as long as the general public is against
cloning, politicians will be too, so they can gain support from voters.
Even with all these setbacks, there are still major uses for cloning
research. Uses that will never present themselves unless people put ....
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