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Papers on Science and Nature
Attention Deficit Disorder
Number of words: 703 | Number of pages: 3.... individual experiencing six of the following characteristics defines ADHD – hyperactive/impulsive type:
a. Fidgets with hands or feet or squirms in seat
b. Difficulty remaining seated
c. Runs about or climbs excessively (in adults may be limited to subjective feelings of restlessness)
d. Difficulty engaging in activities quietly
e. Acts as if driven by a motor
f. Talks excessively
g. Blurts out answers before questions have been completed
h. Difficulty waiting in turn taking situations
i. Interrupts or intrudes upon others
(Internet site 1)
Abstract definition of attention deficit (hyperactivity) disorder: .....
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Nuclear Power: Worth The Risks?
Number of words: 2297 | Number of pages: 9.... of radiation. Government declared that nuclear power is safe and efficient. Also have big Oil corporations who have a lot of money invested in nuclear power and want to see as many plants as possible put into and kept in operation. The truth is that accidents do happen at nuclear power plants and at other facilities all the time. An accident at a nuclear power plant has the potential to be much more devastating than an accident at a coal or gas plant because of the radiation that could be released. An example of this is Three Mile Island in Pennsylvania where there was a partial core meltdown in march of 1979 and an"acceptab .....
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The Quicksilver
Number of words: 325 | Number of pages: 2.... if any, ways of determining temperature. Mercury is also used in
cleaning modern day swimming pools as "Mercury Vapor lamps" for sterilization.
Mercury can be used in both reconstructing and destroying life in water ways
depending upon the attention people give it. We would have no fast, economical
ways of cleaning large pools; no fast, economical way of controlling river
clean-ups. Life in our modern day households would be much, much colder because
we would have no way of having a auto-start heater- people would have to turn on
their heater manually. Yet we would also need to look at the positive side of no
mercury. We .....
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Changes In The Atmosphere Causing Multicellularity
Number of words: 471 | Number of pages: 2.... organisms such as the protists
evolved from the prokaryotes. There are two main theories which describe how
this transition may have occurred. The first is the endosymbiotic theory, or
enosymbiosis, and the other is the autogenous theory, or autogenisis. These two
theories are not mutually exclusive, meaning one or the other could account for
different parts of eukaryotic cells. The endosymbiotic theory states that the
formation of eukaryotic cells were symbiotic associations of prokaryotic cells
living inside larger prokaryotes. The endosymbiotic hypothesis accounts for the
presence in eukaryotic cells of complex organelles .....
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Excessive Alcohol Consumption--its Effects And Social Accept
Number of words: 2011 | Number of pages: 8.... and medicine, and “by about 1500 BC, Egyptian doctors included beer or wine in about 15 percent of their medicines”(Monroe 8-9).
Alcoholic beverages are produced through a process called fermentation using plants such as corn, rye, barley, potatoes, and grapes, and are classified by their types and proofs. Some types of alcohol are beer, ale, stout, porter, malt liquor, wine, whiskey, bourbon, gin, rum, brandy, and liqueur. The term proof refers to the percentage of pure alcohol contained in a drink. While there is no international standard, in the United States, each degree of proof is equal to 0.5 percent alcohol .....
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Cloud Formations
Number of words: 510 | Number of pages: 2.... form a pattern of a buttermilk sky. The cirrostratus clouds sometimes form tangled webs or thin whitish sheets. A large ring or halo is sometimes seen around the sun or moon when the cirrostratus covers the sky.
The middle layer of clouds range in altitude from 6,500 to 23,000 feet. The altocumulus, altostratus, and nimbostratus clouds are found in the middle division. The altocumulus clouds are more rounded and puffier than the cirrocumulus clouds. When people stare at the altocumulus clouds, they usually see a shape of an animal, usually an elephant. Altostratus clouds cover the sky with a grayish veil through which the .....
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Antibiotic Resistance In Bacteria
Number of words: 704 | Number of pages: 3.... 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 that inside this mold was a substance that killed bacteria.
It was the antibi .....
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Global Warming And The Greenhouse Effect
Number of words: 1903 | Number of pages: 7.... of methane have doubled, and nitrous oxide has risen by 15%. The increases of these chemicals have enhanced the heat trapping capability of the atmosphere of the earth. Sulfate aerosols, cool the atmosphere because they reflect light back into space, but sulfates do not live long in the atmosphere.
Scientists still do not know what exactly is heating up the earth. Some say the earth is going through a natural cycle because the earth has gone through cold periods as well as hot periods. Mounting evidence is saying that humans are to blame for the rise in temperatures over the past 120 years. When we burn fossil fuel, oil, gas .....
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Genetic Engineering 4
Number of words: 1154 | Number of pages: 5.... Nuclear Transfer or Nuclear Substitution. DNA molecules are the strings of protein that hold genetic coding. In this operation, the nucleus, which is the part of the cell that contains the DNA, are carefully removed from an unfertilized female egg then replaced with the DNA from the cell of another person (Harris 4). The egg with the DNA from another person is then manipulated into believing it has been fertilized and is implanted into the womb of the mother just as is done in the process of vitro fertilization. Afterwards the fetus develops and is born after nine months, just like a natural baby (Dumesic 1). What this means .....
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Chinese Shih Poetry And Philosophy
Number of words: 1127 | Number of pages: 5.... with absolute obedience, Confucianists believed that men should practice restraint and benevolence in those inferior to them. At the same time, those in high status were expected to lead virtuous lives, and to set examples for those that followed them. Confucianists believed that the moral code of man was set down by heaven, and if those in positions of authority did not set good examples, then they would deposed by the forces of heaven.
One of the first great Chinese poets to write of Confucianism was T’ao Ch’ien. T’ao Ch’ien’s poem Substance, Shadow, and Spirit shows a comparison between Confucianism, Buddhism, Ta .....
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