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» Browse Science and Environment Term Papers
Antibiotic Resistance In Bacteria
Number of Words: 704 / Number of Pages: 3
... so the disease is completely finished. If it is not, then this will just give the bacteria some time to find a way to avoid the effects of the drug.
One antibiotic that will always have a long lasting effect in history is penicillin. This was the first antibiotic ever to be discovered. Alexander Fleming was the person responsible for the discovery in 1928. In his laboratory, he noticed that in some of his bacteria colonies, that he was growing, were some clear spots. He realized that something had killed the bacteria in these clear spots, which ended up to be a fungus growth. He then discovered ...
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Bioethics
Number of Words: 1244 / Number of Pages: 5
... abuse, all experimentation should be banned? This would mean that society would be condemned to remain at the same level of knowledge (status quo)? Bioethically speaking, how far can we go in the study of the human without crossing the line? The fundamental question is, since we are the ones drawing the line, where do we draw it?
The purpose of this essay is to provide a clear sense of the present law on this issue. To review the problems raised by experimentation on animals.
THE CURRENT STATE OF THE LAW
Biomedical experimentation on human subjects raises many complex legal problems that t ...
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Isaac Newton
Number of Words: 622 / Number of Pages: 3
... it was broken up into a broad spectrum of colors. When that spectrum was shone back through another prism that spectrum became a white light again. Next he passed a single color of light through a prism, the color was the same when it came out the other end this led him to believe that white light was composed of all the colors. During this time he also formulated the corpuscular theory of light, which states that light is made up of tiny particles, also known as corpuscles.
Another great discovery that he came up with was gravity. The general law of gravity arose from Newton's question: what kee ...
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Asteroids
Number of Words: 514 / Number of Pages: 2
... across the upper East Coast of the United States to the Appalachian Mountains."(Gottschalk 1) The blast of the impact would equal a 300 gigaton blast of T.N.T. Also, 2.4 seconds after impact, a small fireball with a temperature of 5000'C would sweep across long island. A land fall strike would cause total divistation. The asteroid would create a earth trembling impact causing earth quakes around the world. The binding flash will show impact and the crater would be twenty miles across. Then, a blanket of dust and debris would blanket the earth and block the sun's light. This would occur for hundreds o ...
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The Application Of Science To Engineering
Number of Words: 885 / Number of Pages: 4
... into their original form. Combinations of
long and short bursts of electric current are sent through a circuit thereby
encoding each letter of the alphabet. More efficient transmission facilities
were developed as the mining industry developed. The discovery of electricity
sped up the development of mining through electric lighting and better machinery
and ventilation, which led to better materials for wires and cables. Telegraph
lines were set up along the CPR in 1885 as a convenient root, but also to relay
information about the position of each train along the track to avoid collisions.
T ...
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Becoming An Ecologist Is An Exciting Venture
Number of Words: 1338 / Number of Pages: 5
... an ecologist is usually long term, there are certain
characteristics a person should have in order to maintain a successful career.
One of these characteristics that is the most important is patience. Patience
is important because as an ecologist a person will have to at some point in
their career talk to another person who knows nothing of or about ecology.
Another reason why patience is important is because through the first years of
being an ecologist finding and possibly attempting to tag an animals or
gathering research material will be the main jobs of that person and will take a
very long tim ...
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Hanta Pulmonary Syndrome
Number of Words: 414 / Number of Pages: 2
... circulation to move off the virus, it can linger for a sizeable duration of time.
The best method of fighting the hanta virus is prevention. By controlling the rodent population and preventing them from entering houses and sheds, the risk of infection can be lowered. Furthermore, educating those in high-risk areas of the signs of the disease and what to do about them significantly lowers the likelihood of death.
The virus cannot spread from human to human even during its peak state, but since exposed persons may not show symptoms for some weeks the likelihood of other people becoming infected by the ...
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From Legend To Science The Health Benefits Of Tea
Number of Words: 1781 / Number of Pages: 7
... Chinese Art of Tea, writes that ˇ§it can be confidently stated that tea was known in the three kingdoms epoch (AD 222-277).ˇ¨ More importantly, however, ˇ§tea [was] originally drunk for its medicinal properties.ˇ¨ (Blofeld 4) Evans links the early popularity of tea to Taoist religious practices during the Qin Dynasty (201 ˇV 207 B.C.). ˇ§Taoists in particular became obsessed by long life and an Elixir of Life became a Taoist ideal. For Taoists the Elixir of Life was believed to be tea.ˇ¨ (Evans 20)
Almost every writer who records the history of tea notes that it was originally consumed for its therapeu ...
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Hereditary Colon Cancer
Number of Words: 979 / Number of Pages: 4
... cancer is Hereditary Non-Polyposis (HNPCC). HNPCC accounts for five to ten percent of all cases. HNPCC develops also at a young age but not as young as FAP patients. The actual cancer appears in the persons 40's. HNPCC is known as a "fast growing" form of cancer. Along with colon cancer HNPCC patients are also at a much higher risk for other forms of cancer.
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The causative factors of these cancers are not known at this time. Many doctors, scientists, and medical researchers believe individuals who fall into high-risk categories might be more apt to get colon cancer. These categories inclu ...
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Carbon Dioxide
Number of Words: 662 / Number of Pages: 3
... are burnt all the time to run factories, power plants and vehicles. The main sources of CO2 emissions are electric utilities, residential buildings, industry and transportation. The other 25% is induced by the destruction of the world's forests. The reason for this is that there are less trees and plants to take in the CO2 but there is just as many, if not more, humans and animals to breathe it out.
The amount of CO2 in a planet's atmosphere affects the temperature of the planet. As more and more CO2 builds up in the atmosphere, less heat can escape and the planet gets hotter. The CO2 traps radi ...
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