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» Science Essays and Papers
Mononucleosis 2
<view this essay>.... in family outbreaks. However, the establishment of mono is given to Sprunt and Evans. In 1921 they pointed out the mononuclear lymphocytosis that was present in each patient they treated. Two years later, Downey and McKinaly provided more details of the lymphocytes as a marker that led to the disease. (6)
The idea of EBV being connected to mono came about in 1958 by Burkitt. There were some cases in Africa of young children having tumors in their jaw and dying even when the tumor was removed. He later found out that the patients were coming from areas highly infested with mosquitoes, so they figured that the mosquitoes were related. The mosquitoes .....
Number of words: 1151 | Number of pages: 5 |
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Dolphins
<view this essay>.... and South
America. The Buffeo dolphin has been spotted up to 1250 miles up he Amazon River.
The buffeo is the smallest of all dolphins averaging about 4 feet. The
bottlenose is closer to 10 feet. The killer whale, which is also considered a
dolphin, can grow to be 30 feet long. The pilot whale is also considered a
dolphin.
Dolphins were once hunted by commercial boats for the small amount of
oil that can be extracted from their body. This oil is used to lubricate small
parts in watches. Cheaper oils have been found, so dolphins are not hunted for
this reason anymore. Dolphins can be caught in tuna nets by accident. Since
dolphins have to breath at the surfa .....
Number of words: 878 | Number of pages: 4 |
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Could Gambling Save Science: Encouraging An Honest Consensus
<view this essay>.... to be careful
and honest while contributing to a visible, self-consistent consensus on
controversial (or routine) scientific questions. In addition, it allows
patrons to choose questions to be researched without choosing people or
methods. The bulk of this paper is spent examining potential problems with
the proposed approach. After this examination, the idea still seems
plausible and worth further study.
INTRODUCTION
After reviewing the discrepancy between what we want from academic
institutions and what we get from current institutions, a market-based
alternative called "idea futures" is suggested. It is described through
both a set of specific s .....
Number of words: 16316 | Number of pages: 60 |
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Acid Rain
<view this essay>.... carbon and nitrogen oxides into the air. These oxide combine with the
humidity in the air and form sulfuric, nitric and carbonic acid. This acidic
solution eventually condenses in the air and comes back down to the earth in any
from of precipitation (snow, rain, hail).
Upon returning to the earth, the acidic precipitation can have serious
repercussions on both the environment and as well as human structures. On
average, acid rain is about nine times more acidic than rain water, and has been
recorded as low as 2.5 on the pH scale (forty times more acidic than water.)
Acid deposition kill fish, soil bacteria, and as well as aquatic and terrestrial
plants. the ac .....
Number of words: 952 | Number of pages: 4 |
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Environmental Isuues
<view this essay>.... problems of antibiotic resistance, increasing diseases, weapons as wastes, and waste disposal and reduction and, if left unaddressed, these issues will become fatal problems in the near future.
Many Americans get sick everyday; this usually warrants a trip to the doctor’s office. The doctor will usually examine the patient and prescribe an antibiotic. Antibiotics are being used as a way to solve medical problems. The heavy use of antibiotics is causing a threat to the population. They are so widely used and are beginning to become a contaminant in the environment. When used so frequently, antibiotics are found in the sewers, septic tanks, and even rec .....
Number of words: 1272 | Number of pages: 5 |
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Chemistry-soaps And Detergents
<view this essay>.... basic process has not changed much although now the chemistry is understood. Soap is made from the process called saponification, the alkaline hydrolysis of fats and oils. It is essentially the reverse of esterification.
O O
R-C-O-R’ + NaOH ---- R-C-O-Na+ + R’OH
Ester(fat) + base(caustic soda) ---- salt of fatty acid(soap) + alcohol(glycerol).
Caustic potash (potassium hydroxide) can be used instead of caustic soda (sodium hydroxide)but is more expensive. The base used to come from wood ash containing potassium carbonate which formed potash as thi .....
Number of words: 655 | Number of pages: 3 |
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Extra Terrestrial
<view this essay>.... ranging from government cover-up to the another dimension breaking the barrier between our worlds…., from UFO's traveling through black holes to there being millions of other universes with intelligent life. Yet the only evidence of any extraterrestrial beings come from sightings by ordinary people.
World governments tried to keep the phenomenon of extraterrestrial life forms secret. Due to the fact our society is gullible believing every myth that one might tell to another. This confidentiality only lead to more curiosity among the people.
So far, in spite of a concerted effort by not only the U.S. government, but other governments worldwide to d .....
Number of words: 404 | Number of pages: 2 |
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What Is Astrology
<view this essay>.... body. The human soul is a focal point of
cosmic energy, and the pattern of the heavens, as charted in the horoscope, is
the means the soul comes to know itself and its destiny.
Astrology points the way to soul development and growth. The soul's strengths
and weaknesses are noted in the horoscope. Life is an opportunity given to soul
for further enhancement.
Because the heavens are in constant motion, and because this motion is quite
ordered and exact, it is possible to project the positions of the sun, moon, and
planets for any given time. Astrologers use this information to draw-up a
horoscope and forecast the "influences" that will affect the soul at that .....
Number of words: 418 | Number of pages: 2 |
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