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» Browse Science and Environment Term Papers
Psychology
Number of Words: 3428 / Number of Pages: 13
... selective attention. Selective attention is the focusing on conscious awareness on a particular stimulus. (Reference) This means that at any moment we focus our awareness only on a limited aspect of all that we are capable experiencing. When I use selective attention my attention is on the coach and other players on the field. The coach or my teammates may be telling me something important about what I should do, or a player I should watch out for. My attention needs to be directed to what they are saying because it is important and is information I need to hear. There is also selective hear ...
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Who Is Responsible For Cleanup Under CERCLA?
Number of Words: 467 / Number of Pages: 2
... other
party in the past placed hazardous wastes there. ( The seller of a foundry was
found liable under CERCLA when it was sold for $25,000, but was appraised at
$200,000, suggesting the decision to sell was for disposal of hazardous
materials.) A vendor is not an owner if it did not own the property at the time
of toxic discharge from the facility.
iii) A parent company may be considered the owner, despite the formation of a
subsidiary with day to day control over operations.
iv) Lenders and secured creditors are liable if they actively participate in
decisions involving either waste treatmen ...
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Hantavirus
Number of Words: 3046 / Number of Pages: 12
... the Apodemus agreavius coreae mouse. Using the microscope, one could see the round microbes that were stacked in rows along the epithelial lining of the lungs (CDC website 6). Each infection still involved mild kidney infections. The same type of rodent always carried the virus, and people came in contact with the microbes through skin exposure or inhalation of infected animal feces or urine. Research continued on this virus and in 1981, it was first cultured in human cells.
Many people were worried that since the virus was so prevalent in Korea that it possibly could be spread easily from boa ...
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Genetic Cloning ----
Number of Words: 1390 / Number of Pages: 6
... gaps to form and clots to accumulate. Therefore, a complement inhibitor was developed as the gene was cloned, introduced into pigs whose cells produced this protein. Another thing discovered, was that the cells lining the pig vessels have a sugar molecules called alpha-galactose, and humans have lots of antibodies against alpha-gal. Some are thinking of knocking out the gene for alpha-gal and replacing it with the human gene for type O blood sugar. One other stumbling block may be the transferense of unknown virus's like the HIV virus, that was somehow transmitted from monkeys. Scientists are hoping ...
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Hurricane Flloyd
Number of Words: 1093 / Number of Pages: 4
... major hurricane strength with maximum sustained winds of 112 mph or more after 72 hours.
Tropical Storm Floyd Continues to Intensify
Washington, September 9, 1999 -- The National Hurricane Center (NHC) reported that Tropical Storm Floyd was located about 450 miles east of the Leeward Islands. The strong tropical storm and had maximum sustained winds of 60 mph. NHC Forecasters expected the system to reach minimal hurricane strength within the next 24 hours and thought it will be a strong Category II hurricane with maximum sustained winds of 109 mph within 72 hours. Tropical st ...
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Similarities And Differences Between The Romantic Age And The Victorian Period
Number of Words: 1168 / Number of Pages: 5
... society to an industrial society, and from home manufacturing to factory production. When Napoleon came into power, people became as violent and corrupt as their former rulers. This was known as the Reign of Terror. "England emerged from the eighteenth century a parliamentary state in which the monarchy was largely a figurehead," according to Pfordresher. (Pfordresher, 423). The Victorian Period was from 1832 until 1901. It marked the climax of England's rise to economic and military dominance (Pfordresher, 543). The Romantic spirit didn't disappear, but it wasn't the leading influence. "The ...
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Aids 2
Number of Words: 434 / Number of Pages: 2
... HIV may cause dementia, which is a condition characterized by sensory, thinking, and/or memory disorders. HIV infection of the brain may cause movement or coordination problems.
HIV’s disruption of the immune system makes infected people susceptible to illnesses that are not normally serious. These diseases are called opportunistic illnesses because they take advantage of the damaged immune system. With the onset of several of these illnesses, an infected person is considered to have AIDS
Researchers have identified three ways in which HIV is transmitted: sexual intercourse, direct contact w ...
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Lung Cancer 2
Number of Words: 1407 / Number of Pages: 6
... 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 hormone producing cells are carcinoid tumors. They have a much less malignant course than small cell carcinoma.
Lung cancer has been blamed on many factors but the most important is smoking. Smoking is the main cause of lung cancer. The more often and longer a person smokes increases there chances of lung cancer. Cigarr ...
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Internet Concepts
Number of Words: 2935 / Number of Pages: 11
... el compartir información entre programas, formatos de archivo y plataformas diferentes no es una tarea sencilla. Por medio de la misma tecnología que se aplica a Internet, las intranets solucionan este problema, consiguiendo que las comunicaciones y colaboraciones internas sean mucho más sencillas.
Las intranets usan TCP/IP para transmitir información a través de la red, además de HTML para crear documentos. La información se guarda en uno o más servidores dentro de la compañía y se accede a ella usando un visualizador de Web, como Navigator o Explorer. Estas Internet en miniatura tienen todas ellas ...
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Taking The Pill Depression And
Number of Words: 1197 / Number of Pages: 5
... signal to the second cell, and so on around the body. After a nerve impulse has been sent across a synapse, special enzymes clear away the neurotransmitter so that another impulse may be sent.
The first antidepressants, monoamine oxidase (MAO) inhibitors, were discovered accidentally during the 1960's by researchers who were trying to develop new drugs to treat tuberculosis. MAO inhibitors didn't help TB, but they elevated mood. Since then, many other types of antidepressants have been developed. They are all about equally effective. But the newer drugs are safer and for most people, have fewer sid ...
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