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» Browse Science and Environment Term Papers
Computer Viruses
Number of Words: 454 / Number of Pages: 2
... sounds or messages. Other viruses contain time bombs or logic bombs. A time bomb is a program that performs an activity on a particular date. A logic bomb is a program that performs an activity when a certain action occurs, such as an employee being terminated. A worm, which is similar to a virus, copies itself repeatedly until no more memory of disk space remains.
To find , anti-virus programs have been developed. Besides detecting viruses, anti-virus programs also have utilities to remove or repair infected programs and files. Some damaged files cannot be repaired and must be replaced ...
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Galileo And The Telescope
Number of Words: 395 / Number of Pages: 2
... second observation was the four moons of Jupiter. Galileo observed points of light that changed their positions with time around the Planet. These points he concluded were the four moons that orbit Jupiter. It showed that there were things in the heavens that Aristotle knew nothing about. The was not unique anymore because it wasn’t the only planet to have objects orbit it.
And last but not least, Galileo saw that the Earth shines on the moon. It showed the Earth to be a little less celestial. The Earth can shine on another object like any regular object. It is not as special as i ...
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Epilepsy Oral
Number of Words: 1060 / Number of Pages: 4
... in Europe isolated people with epilepsy and forced them to live in colonies away from society. Until as late as the 1950¡¦s, people rarely talked about their epilepsy and therefore hid the disorder from the public.
While there are some recognized causes to epilepsy the vast majority of cases have no known cause. In cases where the cause is known it is called Symptomatic Epilepsy. Fewer than thirty-five percent of cases have known causes. The most common out of these are
„h trauma or a high fever at birth
„h excessively rough handling or shaking of infants
„h certain drugs or toxins administered in ...
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Chlamydia
Number of Words: 407 / Number of Pages: 2
... cause of
death of pregnant teens in the inner city and poor neighborhoods. also causes conjunctitis. This is a swelling of the eyes which can lead to blindness. The bacteria also can lead to pneumonia.
Although it is the most easily treated STI, most people in danger won’t get checked until complications show, and that is why the disease is spread so much. It takes about three weeks for most people to see symptoms. In that time, they have sexual contact with others and not know they are spreading it. This process goes on and on and some day it could turn into an epidemic. This is why it i ...
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Mitosis
Number of Words: 239 / Number of Pages: 1
... and all of the preparations are made to be ready for to take place. The chromatis is coiled up and consists of loose threads. In prophase, the next longest stage, the chromatin becomes chromatids which later form chromosomes. They are attached to the centrioles by spindle fibers. The chromosomes are lined up in the center of the celll. The nucleolus and nuclear membrane disappear. In the next phase, metaphase, the chromosomes line up along the metaphase plate. The plate is the midpoint of the cell between the two centrioles which are located at opposite poles. During anaphase, the centrioles start ...
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Big Brother, Little Sister Computer Monitoring
Number of Words: 721 / Number of Pages: 3
... be used as a weapon or as a tool (DeTienne 462).
For instance monitoring abuse can be found in the in the situation of airline agents. The agents discovered that by keeping customers on hold while finishing their work they could gain an extra 5-minute break (De Tienne 462). In the future these evasions of work will be stopped and for this reason "employee's who are accustomed to evading the monitoring system may no longer be able to tolerate it" (De Tienne 463). These types of employees may find they can no longer survive the added pressure of not being able to evade the system (DeTienne 463).
Wh ...
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Air Bag Safety For The Prevention Of Injury And Death
Number of Words: 921 / Number of Pages: 4
... serious head injuries and 66% effective in preventing serious chest injuries. Unfortunately for about 100 people in the past decade, their lives were saved at the expense of suffering a less severe injury caused by the air bag itself. However, when proper air bag safety is applied in conjunction of wearing a seat belt properly, most injuries and deaths caused by motor vehicle crashes are minimized or even prevented all together.
Air bags are designed specifically to cushion occupants as they move forward in a front-end crash, keeping the head, neck, and chest from hitting the steering wheel or dash ...
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Cystic Fibrosis
Number of Words: 1238 / Number of Pages: 5
... one above. People who have genetic disorders are born with them. The inherited genetic defect causes a chemical error in all the cells in their body (Silverstein, 1994; Wagner, Reynolds, Moran, Moss, Wine, Flotte, Gardner, 998; Shapiro, 1991; Drake, 1995). In children and adults with CF, a mistake in a single gene disables a type of protein that functions as an ion channel. This molecule regulates the balance of salts in a special type of cell that lines many of the body's glands (Hopkin, 1998). All people with genetic disorders have inherited the defective genes from their parents, who in turn had i ...
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Depression 2
Number of Words: 1454 / Number of Pages: 6
... dealing with teenagers, 15-19, has tripled in the past 30 years (Salmans 40). Suicide is the 2nd leading cause of death among older teens (Stewart 9). Depression isn’t the only reason for suicide though.
Depression has many effects on a person, both physically and mentally. Restlessness, irritability, frequent crying, and change in behavior are all common signs (Kist 26). Chronic aches and pains, such as headaches or stomachaches and other digestive problems that don’t get better with treatment are symptoms too.
Ones sleeping may be altered. A person could have difficulty falling asleep, or g ...
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Hormone Use In Livestock
Number of Words: 449 / Number of Pages: 2
... The muscle gain stays fairly constant while more nutrients taken in by the animal are used in fat production causing the animal to require more energy for the production of muscle. Manufactured PST will provide a boost in the natural levels of PST in a maturing pig. If there is more PST, there will be more efficient utilization of feed and fat production will be kept to a minimum.
PST is effective if it is taken in the expected dose of 5mg/pig/day. If the pig is given a substantially larger amount, 15mg/pig/day, there will be side effects. Researchers have shown that a pig on a high amount of P ...
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